Hard tissue anatomy of the cranial joints in Sphenodon (Rhynchocephalia): Sutures, kinesis, and skull mechanics

Palaeontologia Electronica

Volumn 14, Issue 2, 2011, Pages 1-92

  Jones, Marc E H ^a   Curtis, Neil ^b   Fagan, Michael J ^b   O'Higgins, Paul ^c   Evans, Susan E ^a  

^a UNIVERSITY COLLEGE LONDON   (United Kingdom)

^b UNIVERSITY OF HULL   (United Kingdom)

^c UNIVERSITY OF YORK   (United Kingdom)

Author keywords

Cranium; Feeding; Joints; Kinesis; Ontogeny; Sutures; Tuatara

Indexed keywords

ANATOMY; CRANIUM; FEEDING; ONTOGENY; PALEONTOLOGY; PHYLOGENETICS; REPTILE; SKULL;

GEKKONIDAE; SPHENODON; SPHENODON PUNCTATUS; SPHENODONTIA; SQUAMATA;

EID: 79959859708     PISSN: None     EISSN: 10948074     Source Type: Journal    
DOI: None     Document Type: Article

References (254)

1. Adamo, M.A. and Pollack, I.F. 2009. Current management of craniosynostosis. Neurosurgery Quarterly, 19:82-87.
2. Alaqeel, S.M., Hinton, R.J., and Opperman, L.A. 2006. Cellular response to force application at craniofacial sutures. Orthodics and Craniofacial Research, 9:111-122.
3. Al-Hassawi, A.M. 2007. Comparative Anatomy of the Neck Region in Lizards. Trafford Publishing, Victoria, Canada.
4. Alibardi, L. and Gill, B.J. 2007. Epidermal differentiation in embryos of the tuatara Sphenodon punctatus (Reptilia, Sphenodontidae) in comparison with the epidermis of other reptiles. Journal of Anatomy, 211:92-103.
5. Alibardi, L. and Maderson, P.F.A. 2003. Observations on the histochemistry and ultrastructure of the epidermis of the tuatara, Sphenodon punctatus (Sphenodontida, Lepidosauria, Reptilia): a contribution to an understanding of the lepidosaurian epidermal generation and the evolutionary origin of the squamate shedding complex. Journal of Morphology, 256:111-133.
6. Anderson, H.T. 1936. The jaw musculature of the phytosaur, Machaeroprosopus. Journal of Morphology, 59(3):549-587. doi: 10.1002/jmor.1050590307
7. Anton, S.C., Jaslow, C.R., and Swartz, S.M. 1992. Sutural complexity in artificially deformed human. Journal of Morphology, 214:321-332.
8. Arnold, E.N. 1998. Cranial kinesis in lizards: variation, uses and origins, p. 323-357. In Hecht, M., Macintyre, R., and Clegg, M. (eds.), Evolutionary Biology 30. Academic Press, London, UK.
9. Baur, G. 1892. On the morphology of the skull in the Mosasauridae. Journal of Morphology, 7:1-22.
10. Behrents, R.G., Carlson, D.S., and Abdelnour, T. 1978. In vivo analysis of bone strain about the sagittal suture in Macaca mulatta during masticatory movements. Journal of Dental Research, 57:904-908.
11. Bell, C.J., Evans, S.E., and Maisano, J.A. 2003. The skull of the gymnophthalmid lizard Neusticurus ecpleopus (Reptilia: Squamata). Zoological Journal of the Linnean Society, 103:283-304.
12. Bellairs, A.d'A. and Kamal, A.M. 1981. The chondrocranium and the development of the skull in recent reptiles, p. 1-263. In Gans, C. and Parsons, T.S. (eds.), Biology of the Reptilia, Vol. 11: Development A. Academic Press, London, UK.
13. Benninghoff, A. 1934. Die Architektur der Kiefer and ihrer Weichteilabdeckung. Paradentium, 6:2-20.
14. Biewener, A.A. and Bertram, J.E.A. 1994. Structural response of growing bone to exercise and disuse. Journal of Applied Physiology, 76:946-955.
15. Bock, W.J. 1964. Kinetics of the avian skull. Journal of Morphology, 114:1-42.
16. Böhme, W. and Ziegler, T. 2009. A review of iguanian and anguimorph lizard genitalia (Squamata: Chamaeleonidae; Varanoidea, Shinisauridae, Xenosauridae, Anguidae) and their phylogenetic significance: comparisons with molecular data sets. Journal of Zoological Systematics and Evolutionary Research 47:189-202.
17. Bolt, J.R. 1974. Evolution and functional interpretation of some suture patterns in Palaeozoic labrynthodont amphibians and other lower tetrapods. Journal of Palaeontology, 48:434-459.
18. Bolt, J.R. and Wassersug, R.J. 1975. Functional morphology of the skull in Lysorophus: a snake-like Paleozoic amphibian. Palaeobiology, 1:320-332.
19. Boyde A. 2003. The real response of bone to exercise. Journal of Anatomy, 203:173-189.
20. Bramble, D.M. 1989. Cranial specialization and locomotor habit in the Lagomorpha. American Zoologist, 29:303-317.
21. Brash, J.C. 1934. Some problems in the growth and developmental mechanics of bone. Edinburgh Medical Journal, 41:305-387.
22. Buckland-Wright, J.C. 1972. The shock absorbing effect of cranial sutures in certain mammals. Journal of Dental Research, 51:1241.
23. Buckland-Wright, J.C. 1978. Bone structure and the patterns of force transmission in the cat skull (Felis catus). Journal of Morphology, 155:35-62.
24. Buller, W.L. 1877. Notes on the tuatara lizard (Sphenodon punctatum), with a description of a supposed new species. Transactions and Proceedings of the New Zealand Institute, 9:317-325.
25. Burr, D.B., Robling A.G., and Turner, C.H. 2002. Effects of biomechanical stress on bones in animals. Bone, 30:781-786.
26. Burrows, A.M., Caruso, K.A., Mooney, M.P., Smith, T.D., Losken W., and Stiegel, M.I. 1997. Sutural bone frequency in synostotic rabbit crania. American Journal of Physical Anthropology, 102:555-563.
27. Busbey, A.B. 1995. The structural consequences of skull flattening in crocodiles, Chapter 10, p. 173-192. In Thomason, J.J. (ed.), Functional Morphology in Vertebrate Palaeontology. Cambridge University Press, Cambridge, UK.
28. Byerly, T.C. 1925. The myology of Sphenodon punctatum. University of Iowa Studies in Natural History, 9(6):1-51.
29. Byron, C.D., Maness, H., Yu, J.C., and Hamrick, M.W. 2008. Enlargement of the temporalis muscle and alterations in the lateral cranial vault. Integrative and Comparative Biology, 48:338-344
30. Byron, C.D., Borke, J., Yu, J., Pashley, D., Wingard, C.J., and Hamrick, M. 2004. Effects of increased muscle mass on mouse sagittal suture morphology and mechanics. The Anatomical Record Part A: Discoveries in Molecular, Cellular, and Evolutionary Biology, A279:676-684.
31. Callison, G. 1967. Intracranial mobility in mosasaurs. University of Kansas Paleontology Contributions, 26:1-15.
32. Cartland-Shaw, L.K., Cree, A., Skeaff, C.M., and Grimmond, N.M. 1998. Differences in dietary and plasma fatty acids between wild and captive populations of a rare reptile (the tuatara, Sphenodon punctatus). Journal of Comparative Physiology, B168:569-580.
33. Case, E.C. 1924. A possible explanation of fenestration in the primitive reptilian skull, wilh notes on the temporal region of the genus Dimetrodon. Contribution from the Museum of Geology, University of Michigan, 2:1-12.
34. Castanet, J., Newman, D.G., and Saint Girons, H. 1988. Skeletochronological data on the growth, age, and population structure of the tuatara, Sphenodon punctatus, on Stephens and Lady Alice islands, New Zealand. Herpetologica, 44:25-37.
35. Clack, J.A. 2002. The dermal skull roof of Acanthostega gunnari, an early terapod from the Late Devonian. Transactions of the Royal Society of Edinburgh: Earth Sciences, 93:17-33.
36. Cohen, M. 2000. Sutural biology, chapter 2, p. 11-23. In Cohen, M.M. and Mclean, R.E. (eds.), Craniosynostosis. University Press, Oxford, UK.
37. Cohen, M.M. Jr. and Kreiborg, S. 1998. Suture formation, premature sutural fusion, and suture default zones in Apert syndrome. American Journal of Medical Genetics, 62:339-344.
38. Cong, L., Hou L.-H., and Wu, X.-C. 1998. The Gross Anatomy of Alligator sinensis Fauvel. CIP China, Beijing. (In Chinese with English summary)
39. Cope, E.D. 1896. Primary Factors of Organic Evolution. Open Court, Chicago.
40. Corruccini, R.S. and Beecher, R.M. 1982. Occlusal variation related to soft diet in a nonhuman primate. Science, 218:74-76.
41. Cracraft, J. 1968. The lacrimal-ectethmoid bone complex in birds: a single character analysis. American Midland Naturalist, 80:316-359.
42. Cree, A., Daugherty, C.H., and Hay, J.M. 1995. Reproduction of a rare New Zealand reptile, the tuatara Sphenodon punctatus, on rat-free and rat-inhabited islands. Conservation Biology, 9:373-383.
43. Cree, A., Lyon, G., Cartland Shaw, L., and Tyrrel, C. 1999. Stable isotope ratios as indicators of marine versus terrestrial inputs to the diets of wild and captive tuatara (Sphenodon punctatus). New Zealand Journal of Zoology, 26:243-253.
44. Crompton, A.W. and Parker, P. 1978. Evolution of the mammalian masticatory apparatus. American Scientist, 66:192-201.
45. Currie, P.J., Hurum, J.H., and Sabath, K. 2003. Skull structure and evolution in tyrannosaurid dinosaurs. Acta Palaeontologica Polonica, 48:227-234.
46. Curtis, N., Jones, M.E.H., Evans, S.E., O'Higgins, P., and Fagan, M.J. 2009. Visualising muscle anatomy using three-dimensional computer models - An example using the head and neck muscles of Sphenodon. Palaeontologia Electronica 12. 3.7T:18p, 6.4MB; http://palaeo-electronica.org/2009_3/194/index.html
47. Curtis, N., Jones, M.E.H., Evans, S.E., O'Higgins, P., and Fagan, M.J. 2010a. Feedback control from the jaw joints during biting: an investigation of the reptile Sphenodon using multibodymodelling. Journal of Biomechanics, 43:3132-3137.
48. Curtis, N., Jones, M.E.H., Evans, S.E., Shi, J., O'Higgins, P., and Fagan, M.J. 2010b. Predicting muscle activation patterns from motion and anatomy: modeling the skull of Sphenodon (Diapsida: Rhynchocephalia). Royal Society Interface, 7:153-160.
49. Curtis, N., Jones, M.E.H., Lappin A.K., Evans, S.E., O'Higgins, P., and Fagan, M.J. 2010c. Comparison between in vivo and theoretical bite performance: using multi-body modelling to predict muscle and bite forces in a reptile skull. Journal of Biomechanics, 43:2804-2809.
50. Dalrymple, G.H. 1977. Intraspecific variation in the cranial feeding mechanism of turtles of the genus Trionyx (Reptilia, Testudines, Trionychidae). Journal of Herpetology, 11:255-285.
51. Dawbin, W.H. 1982. The tuatara Sphenodon punctatus (Reptilia: Rhynchocephalia): a review. In Newman, D.G. (ed.), New Zealand herpetology. New Zealand: Wildlife Service occasional publication, 2:149-181.
52. Daugherty, C.H., Cree, A., Hay, J.M., and Thompson, M.B. 1990. Neglected taxonomy and continuing extinctions of tuatara (Sphenodon). Nature, 347:177-179.
53. David, L., Glazier, S., Pyle, J., Thompson, J., and Argenta, L. 2009. Classification system for sagittal craniosynostosis. The Journal of Craniofacial Surgery, 20:279-282.
54. Daza, J.D., Abdala, V., Thomas, R., and Bauer, A.M. 2008. Skull anatomy of the miniaturized gecko Sphaerodactylus roosevelti (Squamata: Gekkota). Journal of Morphology, 269: 1340-1364. doi:10.1002/jmor.10664
55. De Beer, G.R. 1937. The Development of the Vertebrate Skull. Clarendon Press, Oxford, UK.
56. Depew, M.J., Compagnucci, C., and Griffin, J. 2008. Suture neontology and paleontology: the bases for where, when and how boundaries between bones have been established and have evolved, p. 57-78. In Rice, D.P. (ed.), Craniofacial Sutures: Development, Disease and Treatment. Frontiers of Oral Biology 12. Karger Press, Basel.
57. Edgeworth, F.H. 1935. The Cranial Muscles of Vertebrates, Cambridge University Press, Cambridge.
58. Enlow, D.H. 1990. Facial Growth. 3rd edition. WB Saunders Co., Philadelphia, USA.
59. Erickson, G.M., Lappin, A.K., and Vliet, K.A. 2003. The ontogeny of biteforce performance in American alligator (Alligator mississippiensis). Journal of Zoology London, 260:317-327.
60. Evans, S.E. 1980. The skull of a new eosuchian reptile from the Lower Jurassic of South Wales. Zoological Journal of the Linnean Society, 70:203-264.
61. Evans, S.E. 2003. At the feet of the dinosaurs: the early history and radiation of lizards. Biological Reviews, 78:513-551. doi:10.1017/S1464793103006134
62. Evans, S.E. 2008. The skull of lizards and tuataras, p. 1-344. In Gans, C., Gaunt, A.S., and Adler, K. (eds.). Biology of the Reptilia, Vol. 20, Morphology H: The skull of Lepidosauria. Society for the Study of Amphibians and Reptiles, Ithaca, New York.
63. Evans, S.E. and Jones, M.E.H. 2010. The origins, early history and diversification of lepidosauromorph reptiles, p. 22-44. In Bandyopadhyay, S. (ed.), New Aspects of Mesozoic Biodiversity. Lecture Notes in Earth Sciences. Springer, Berlin, Heidelberg.
64. Evans, S.E. and Klembara, J. 2005. A choristoderan reptile (Reptilia: Diapsida) from the Lower Miocene of Northwest Bohemia (Czech Republic). Journal of Vertebrate Palaeontology, 25:171-184.
65. Evans, S.E., Prasad, G.V.R., and Manhas, B.K. 2001. Rhynchocephalians (Diapsida: Lepidosauria) from the Jurassic Kota Formation of India. Zoological Journal of the Linnean Society, 133(3):309-334. doi:10.1111/j.1096-3642.2001.tb00629.x
66. Evans, S.E., Prasad, G.V.R., and Manhas, B.K. 2002. An acrodont iguanian from the Mesozoic Kota Formation of India. Journal of Vertebrate Paleontology, 22:299-312. doi:10.1671/0272-4634(2002)022[0299:FLFTJK]2.0.CO;2
67. Farke, A.A. 2008. Frontal sinuses and head-butting in goats: a finite element analysis. The Journal of Experimental Biology, 211:3085-3094 doi:10.1242/jeb.019042
68. Farlow, J.O. 1975. Observation on a captive tuatara (Sphenodon punctatum). Journal of Herpetology, 9:353-355.
69. Fox, R.C. 1964. The adductor muscles of the jaw in some primitive reptiles. University of Kansas Publications Museum of Natural History, 12:657-680.
70. Fraser, N.C. 1982. A new rhynchocephalian from the British Upper Trias. Palaeontology, 25:709-725.
71. Frazzetta, T.H. 1962. A functional consideration of cranial kinesis in lizards. Journal of Morphology, 111:287-320.
72. Frazzetta, T.H. 1968. Adaptive problems and possibilities in the temporal fenestration of tetrapod skulls. Journal of Morphology, 125:145-158.
73. Frost, H.M. 2003. Bone's mechanostat: a 2003 update. The Anatomical Record, A275:1081-1101.
74. Gaffney, E.S. 1979. Comparative cranial morphology of recent and fossil turtles. Bulletin of the American Museum of Natural History, 164:67-376.
75. Gans, C. 1960. Studies on amphisbaenians (Amphisbaenia, Reptilia), I. A taxonomic revision of the Trogonophidae, and a functional interpretation of the amphisbaenid adaptive pattern. Bulletin of the American Museum of Natural History, 119:131-204.
76. Gans, C. 1974. Biomechanics: An Approach to Vertebrate Biology. Lippincott Co., Philadelphia, USA.
77. Gans, C. 1983. Is Sphenodon punctatus a maladapted relic? p. 613-620. In Rhodin, A.G.J. and Miyata, K. (eds.), Advances in Herpetology and Evolutionary Biology, Essays in Honor of Ernest E. Williams. Harvard University Press, Cambridge, MA, USA.
78. Gardner, S.L. and Anderson, S. 2001. Persistent fontanelles in rodent skulls. American Museum Novarties. 3327:1-15.
79. Gardiner, B.G. 1983. Gnathostome vertebrae and the classification of the Amphibia. Zoological Journal of the Linnean Society, 79:1-59.
80. Gaze, P. 2001. Tuatara Recovery Plan No. 47, 2001-2011. Department of Conservation, Te Papa Atawhai.
81. Gillingham, J.C., Carmichael, C., and Miller, T. 1995. Social behavior of the tuatara, Sphenodon punctatus. Herpetological Monographs, 9:5-16.
82. Gorniak, G.C., Rosenberg, H.I., and Gans, C. 1982. Mastication in the Tuatara, Sphenodon punctatus (Reptilia: Rhynchocephalia): structure and activity of the motor system. Journal of Morphology, 171:321-353.
83. Gower, D.J. and Weber, E. 1998. The braincase of Euparkeria, and the evolutionary relationships of birds and crocodilians. Biological Reviews, 73:367-411.
84. Graubner, W. 1992. Encyclopedia of Wood Joints. Taunton Press, USA.
85. Gray, J.E. 1831. Note on a particular structure in the head of an Agama. Zoological Miscellany, 1:13-14.
86. Günther, A. 1867. Contribution to the anatomy of Hatteria (Rhynchocephalus, Owen). Philosophical Transactions of the Royal Society, 157:1-34.
87. Haas, G. 1973. Muscles and the jaws and associated structures in the Rhynchocephalia and Squamata, chapter 4, p. 285-490. In Gans, C. and Parsons, T.S. (eds.), Biology of the Reptilia 4 Morphology D. Academic Press, London and New York, UK and USA.
88. Hay, J.M., Sarre, S.D., Lambert, D.M., Allendorf, F.W., and Daugherty, C.H. 2010. Genetic diversity and taxonomy: a reassessment of species designation in tuatara (Sphenodon: Reptilia). Conservation Genetics, 11:1063-1081.
89. Heller, J.B., Gabbay, J.S., Wasson, K., Mitchell, S., Heller, M.M., Zuk, P., and Bradley, J.P. 2007. Cranial suture response to stress: expression patterns of noggin and runx2. Plastic and Reconstructive Surgery, 119:2037-2045.
90. Henderson, D.M. 1998. Skull and tooth morphology as indicators of niche partitioning in sympatric Morrison Formation theropods. In Perez-Moreno, B.P., Holtz, T., Sanz, J.L., and Moratalla, J. (eds.), Aspects of Theropod palaeobiology, Gaia, 15:219-226.
91. Henderson, D.M. 2002. The eyes have it: the sizes, shapes, and orientations of theropod orbits as indicators of skull strength and bite force. Journal of Vertebrate Palaeontology, 22:766-778.
92. Herrel, A., Aerts, P., and De Vree, F. 1998. Static biting in lizards: functional morphology of the temporal ligaments. Journal of Zoology, 244:135-143.
93. Herrel, A., De Vree, F., Delheusy, V., and Gans, C. 1999. Cranial kinesis in gekkonid lizards. The Journal of Experimental Biology, 202:368-3698
94. Herrel, A., Moore, J.A., Bredeweg, E.M., and Nelson, N.J. 2010 Sexual dimorphism, body size, bite force and male mating success in tuatara. Biological Journal of the Linnean Society, 100:287-292.
95. Herrel, A., Schaerlaeken, V., Meyers, J.J., Metzger, K.A., and Ross, C.F. 2007. The evolution of cranial design and performance in squamates: consequences of skull-bone reduction on feeding behaviour. Integrative and Comparative Biology, 47:107-117. doi:10.1093/icb/icm014
96. Herring, S.W. 1972. Sutures - a tool in functional cranial analysis. Acta anatomica, 83:222-247.
97. Herring, S.W. 1974. A biometric study of suture fusion and skull growth in peccaries. Anatomy and Embryology, 146:167-180.
98. Herring, S.W. 2000. Sutures and craniosynostosis: a comparative functional, and evolutionary perspective, chapter 1, p. 3-10. In Cohen, M.M. and Mclean, R.E. (eds.), Craniosynostosis. University Press, Oxford, UK.
99. Herring, S.W. 2008. Mechanical influences on suture development and patency, p. 41-56. In Rice, D.P. (ed.), Craniofacial sutures Development Disease and Treatment. Frontiers in Oral Biology 12. Karger Press, Basel.
100. Herring, S.W. and Mucci, R.J. 1991. In vivo strain in cranial sutures: the zygomatic arch. Journal of Morphology, 207:225-239.
101. Herring, S.W. and Teng, S. 2000. Strain on the braincase and its sutures during function. American Journal of Physical Anthropology, 112:575-593.
102. Herring, S.W., Rafferty, K.L., Liu, Z.J., and Marshall, C.D. 2001. Jaw muscles and the skull in mammals: the biomechanics of mastication. Comparative Biochemistry and Physiology Part, A131:207-219. doi:10.1016/S1095-6433(01)00472-X
103. Hinrichsen, G.J. and Storey, E. 1968. The effect of force on bone and bones. The Angel Orthodontist, 38:155-165.
104. Hinton, R.J. 1988. Response of the intermaxillary suture cartilage to alterations in masticatory function. The Anatomical Record, 220:376-387. doi:10.1002/ar.1092200406
105. Holliday, C.M. and Witmer, L.M. 2007. Archosaur adductor chamber evolution: integration of musculoskeletal and topological criteria in jaw muscle homology. Journal of Morphology, 268:457-484. doi:10.1002/ jmor.10524
106. Holliday, C.M. and Witmer, L. M. 2008. Cranial kinesis in dinosaurs: intracranial joints, protractor muscles, and their significance for cranial evolution and function in diapsids. Journal of Vertebrate Paleontology, 28(4):1073-1088. doi:10.1671/0272-4634-28.4.1073
107. Howes, G.B. and Swinnerton, H.H. 1901. On the development of the skeleton of the Tuatara, Sphenodon punctatus; with remarks on the egg, on the hatchling, and on the hatched young. Transactions of the Zoological Society London, 16:1-86.
108. Hunt, N. 1998. Muscle function and the control of facial form, p. 120-133. In Harris, M., Edgar, M., and Meghji, S. (eds.), Clinical Oral Science. Wright, Oxford.
109. Hurum, J.H. and Sabath, K. 2003. Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared. Acta Palaeontologica Polonica, 48(2):161-190.
110. Impey, O. 1967. Functional aspects of cranial kinetism in the Lacertilia. Unpublished PhD thesis. University of Oxford, Oxford, UK.
111. Iordansky, N.N. 1973. The skull of the Crocodilia, chapter 3, p. 201-262. In Gans, C. and Parsons, T.S. (eds.), Biology of the Reptilia 4 Morphology D. Academic Press, London and New York, UK and USA.
112. Iordansky, N.N. 1990. The evolution of cranial kinesis in lower tetrapods. Netherlands Journal of Zoology, 40:32-54.
113. Jasinoski, S.C., Rayfield, E.J., and Chinsamy, A. 2010a. Functional implications of dicynodont cranial suture morphology. Journal of Morphology, 271:705-728. doi:10.1002/jmor.10828
114. Jasinoski, S.C., Rayfield, E.J., and Chinsamy, A. 2010b. Mechanics of the scarf premaxilla-nasal suture in the snout of Lystrosaurus. Journal of Vertebrate Paleontology, 30:1283-1288. doi:10.1080/02724634.2010.483556
115. Jaslow, C.R. 1989. Sexual dimorphism of cranial suture complexity in wild sheep (Ovis orientalis). Zoological Jounal of the Linnean Society, 95:273-284.
116. Jaslow, C.R. 1990. Mechanical properties of cranial sutures. Journal of Biomechanics, 23:313-321.
117. Jaslow, C.R. and Biewener, A.A. 1995. Strain patterns in the horncones, cranial bones and sutures of goats (Capra hircus) during impact loading. Journal of Zoology, 235:193-210.
118. Jenkins, I., Thomason, J.J., and Norman, D.B. 2002. Primates and engineering principles: applications to craniodental mechanisms in ancient terrestrial predators. Senckenbergiana Lethaea, 82:223-240.
119. Johnston, P. 2010. The constrictor dorsalis musculature and basipterygoid articulation in Sphenodon. Journal of Morphology, 271:280-292. doi:10.1002/jmor.10797
120. Jones, H.H., Priest, J.D., Hayes, W.C., Tichenor, C.C., and Nagel, D.A. 1977. Humeral hypertrophy in response to exercise. Journal of Bone and Joint Surgery, A59:204-208.
121. Jones, M.E.H. 2006. Skull evolution and functional morphology in Sphenodon and other Rhynchocephalia (Diapsida: Lepidosauria). Unpublished Ph.D. thesis. University of London, London, UK.
122. Jones, M.E.H. 2007. Cranial suture morphology of the lepidosaur Sphenodon (Diapsida: Rhynchocephalia) and implications for functional morphology. Journal of Morphology, 268:1090-1091A.
123. Jones, M.E.H. 2008. Skull shape and feeding strategy in Sphenodon and other Rhynchocephalia (Diapsida: Lepidosauria). Journal of Morphology, 269:945-966. doi: 10.1002/jmor.10634
124. Jones, M.E.H. 2009. Dentary tooth shape in Sphenodon and its fossil relatives (Diapsida: Lepidosauria: Rhynchocephalia), p. 9-15. In Koppe, T., Meyer, G., and Alt, K.W. (eds.), Interdisciplinary Dental Morphology. Frontiers in Oral Biology 13. Karger, Greifswald.
125. Jones, M.E.H. and Lappin, A.K. 2009. Bite-force performance of the last rhynchocephalian (Lepidosauria: Sphenodon). Journal of the Royal Society of New Zealand, 39(3):71-83. doi:10.1080/03014220909510565
126. Jones, M.E.H., Curtis, N., O'Higgins, P., Fagan, M., and Evans, S.E. 2009. Head and neck muscles associated with feeding in Sphenodon (Reptilia: Lepidosauria: Rhynchocephalia). Palaeontologia Electronica, 12.2.7A: 56p, 15.7MB; http://palaeo-electronica.org/2009_2/179/index.html
127. Judex, S., Gross, T.S., Bray, R.C., and Zernicke, R.F. 1997. Adaptation of bone to physiological stimuli. Journal of Biomechanics, 30:421-429.
128. Kathe, W. 1995. Morphology and function of the sutures in the dermal skull roof of Discosauriscus austriacus Makowsky, 1876 (Seymouriamorpha; Lower Permian of Moravia) and Onichiodon labrinthicus Geinitz, 1861 (Temnospondyli, Lower Permian of Germany). Geobios, 19:255-261.
129. Kathe, W. 1999. Comparative morphology and functional interpretation of the sutures in the dermal skull roof of temnospondyl amphibians. Zoological Journal of the Linnean Society, 126:1-39.
130. Kearney, M., Maisano, J.A., and Rowe, T. 2005. Cranial anatomy of the extinct amphisbaenian Rhineura hatcherii (Squamata, Amphisbaenia) based on highresolution X-ray computed tomography. Journal of Morphology, 264:1-33.
131. Kemp, T.S. 1972. Whaitsiid Therocephalia and the origin of cynodonts. Philosophical Transactions of the Royal Society of London, B 264:1-54.
132. Kesteven, H.L. 1910. The anatomy of the head of the green turtle Chelone midas, Latr. Part I. The skull. Journal of the Proceedings of the Royal Society of New South Wales, 44:368-400.
133. Kieser, J.A., Tkatchenko, T., Dean, M.C., Jones, M.E.H., Duncan, W., and Nelson, N.J. 2009. Microstructure of dental hard tissue and bone in the tuatara dentary, Sphenodon punctatus (Diapsida: Lepidosauria: Rhynchocephalia), p. 80-85. In Koppe, T. Meyer, G., and Alt, K.W. (eds), Interdisciplinary Dental Morphology, Frontiers of Oral Biology 13. Karger, Greifswald.
134. Klembara, J. 1994. The sutural pattern of skull-roof bones in Lower Permian Discosauriscus austriacus from Moravia. Lethaia, 27:85-95.
135. Klembara, J., Tomasik, A., and Kathe, W. 2002. Subdividions, fusions and extended sutural areas of dermal skull bones in Discosauriscus Kuhn (Seymouriamorpha). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 223:317-349.
136. Kokich, V.G. 1976. Age changes in the human frontozygomatic suture from 20 to 95 years. Amercian Journal of Orthodontics, 69:411-430.
137. Koskinen, L., Isotupa, K., and Kosko, K. 1975. A note on craniofacial suture growth. American Journal of Physical Anthropology, 45:511-516.
138. Kupczik, K., Dobson, C.A., Fagan, M.J., Crompton, R.H., Oxnard, C.E., and O'Higgins, P. 2007. Assessing mechanical function of the zygomatic region in macaques: validation and sensitivity testing of finite element models. Journal of Anatomy 210:41-53. doi:10.1111/j.1469-7580.2006.00662.x
139. Lakjer, T. 1926. Studien über die Trigeminus-versorgte Kaumuskulatur der Sauropsiden. Bianco Lunos Buchdruckerei, Kopenhagen, Denmark.
140. Lanyon, L.E. 1980. The influence of function on the development of bone curvature. An experimental study on the rat tibia. Journal of Zoology, 192:457-466.
141. Lehman, M.L. 1973a. Stress distribution in bone, a study of Benninghoff trajectories of the facial skeleton, p. 187-192. In Schumacher, G.-H. (ed.), Morphology of the maxillo-mandibular apparatus. VEB G. Thieme, Leipzig, Germamy.
142. Lehman, M.L. 1973b. Stress distribution in bone: a study of Benninghoff trajectories of the facial skeleton. Proceedings of the Royal Society of Medicine, 66:390-391.
143. Lieberman, D.E. 1997. Making behavioral and phylogenetic inferences from hominid fossils: considering the developmental influence of mechanical forces. Annual Review of Anthropology, 26:185-210. doi:10.1146/annurev.anthro.26.1.185
144. MacAvoy, E.S., McGibbon, L.M., Sainsbury, J.P., Lawrence, H., Wilson, C.A., Daugherty, C.H., and Chambers, G.K. 2007. Genetic variation in island populations of tuatara (Sphenodon spp) inferred from microsatellite markers. Conservation Genetics, 8:305-318. doi:10.1007/s10592-006-9170-5
145. Maisano, J. 2001. Sphenodon punctatus (On-line), Digital Morphology. In http://digimorph.org/specimens/Sphenodon_punctatus/juvenile/
146. Mann, R.W., Manabe, J., and Byrd, J.E. 2009. Relationship of the parietal foramen and complexity of the human sagittal suture. International Journal of Morphology, 27:553-564.
147. Mao, J.J. 2002. Mechanobiology of craniofacial sutures. Journal of Dental Research, 81:810-816.
148. Mao, J.J., Wang, X., and Kopher, R.A. 2003. Biomechanics of craniofacial sutures: orthopedic implications. The Angle Orthodontist 73:128-135.
149. Margulies, S.S. and Thibault, K.L. 2000. Infant skull and suture properties: measurements and implications for mechanisms of pediatric brain injury. Journal of Biomechanial Engineering, 122:364-371.
150. Markens, I.S. and Oudhof, H.A.J. 1980. Morphological changes in the coronal suture after replantation. Acta Anatomica, 107:289-296.
151. Markey, M.J. and Marshall, R. 2007a. Linking form and function of the fibrous joints in the skull: a new quantification scheme for cranial sutures using the extant fish Polypterus endlicherii. Journal of Mophology, 268:89-102.
152. Markey, M.J. and Marshall, R. 2007b. Terrestrial-style feeding in a very early aquatic tetrapod is supported by evidence from experimental analysis of suture morphology. PNAS, 104:7134-7138. doi:10.1073/pnas.0701706104
153. Markey, M., Main, R., and Marshall, R. 2005. In vivo cranial suture function and suture morphology in extant fish: implication for inferring skull function in fossil taxa. Journal of Vertebrate Palaeontology, 25(Supplement to No. 3):88A-89A.
154. Markey, M., Main, R., and Marshall, R. 2006. In vivo cranial suture function and suture morphology in extant fish Polypterus: implication for inferring skull function in living and fossil fish. Journal of Experimental Biology, 209:2085-2102.
155. Massler, M. and Schour, I. 1951. The growth pattern of the cranial vault in the albino rat as measured by vital staining with alizarine red 'S'. The Anatomical Record, 110:83-101.
156. McCormack, T. 2006. Joints for concrete. Paving expert.com. Accessed March 9, 2006 at www.pavingexpert.com/concjnt1.htm.
157. McLaughlin, E., Zhang, Y., Pashley, D., Borke J., and Yu, J. 2000. The load-displacement characteristics of neonatal rat cranial sutures. The Cleftpalate-Craniofacial Journal, 37:590-595.
158. Meikle, M.C., Reynolds, J.J., Sellers, A., and Dingle, J.T. 1979. Rabbit cranial sutures in vitro: a new experimental model for studying the response of fibrous joints to mechanical stress. Calcified Tiisue International, 28:137-144.
159. Meikle, M.C., Heath, J.K., and Reynolds, J.J. 1984. The use of in vitro models for investigating the response of fibrous joints to tensile mechanical stress. American Journal of Orthodontics, 85:141-153. doi:10.1016/0002-9416(84)90006-X
160. Metzger, K. 2002. Cranial kinesis in lepidosaurs: skulls in motion, 15-46. In Aerts, P., D'Août, K., Herrel, A., and van Damme, R., (eds.), Topics in functional and ecological vertebrate morphology. Shaker publishing, Antwerp, Netherlands.
161. Meyer-Rochow, V.B., Wohlfahrt, S., and Ahnelt P.K. 2005. Photoreceptor cell types in the retina of the tuatara (Sphenodon punctatus) have cone characteristics. Micron, 423-428.
162. Miyawaki, S. and Forbes, D.P. 1987. The morphologic and biochemical effects of tensile force application to the interparietal suture of the Sprague-Dawley rat. American Journal of Orthodontics and Dentofacial Orthopedics, 92:123-133. doi:10.1016/0889-5406(87)90367-2
163. Moazen, M., Curtis, N., O'Higgins, P., Jones, M.E.H., Evans, S.E., and Fagan, M.J., 2009. Assessment of the role of sutures in a lizard skull: a computer modeling study. Proceedings of the Royal Society B, 276:39-46. doi:10.1098/rspb.2008.0863
164. Montero, R. and Gans, C. 1999. The head skeleton of Amphisbaena alba Linnaeus. Annals of the Carnegie Museum, 68:15-80.
165. Monteiro, L.R. and Lessa, L.G. 2000. Comparative analysis of cranial suture complexity in the genus Caiman (Crocodylia, Alligatoridae). Review of Brasilian Biology, 60:689-694.
166. Moore, W.J. 1965. Masticatory function and skull growth. Journal of Zoology, 146:123-131.
167. Morriss-Kay, G.M. 2001. Derivation of the mammalian skull vault. Journal of Anatomy, 199:143-151.
168. Morriss-Kay, G.M. and Wilkie, A.O.M. 2005. Growth of the normal skull vault and its alteration in craniosynostosis: insights from human genetics and experimental studies. Journal of Anatomy, 207:637-653.
169. Moss, M.L. 1954. Growth of the calvaria in the rat, the determination of osseous morphology. American Journal of Morphology, 94:333-361.
170. Moss, M.L. 1957. Experimental alteration of sutural area morphology. The Anatomical Record, 127:569-590.
171. Moss, M.L. 1961. Extrinsic determination of sutural area morphology in the rat calvaria. Acta Anatomica, 44:263-272.
172. Moss, M.L. and Young, R.W. 1960. A functional approach to craniology. American Journal of Physical Anthroplogy, 74:305-307.
173. Müller, J. 2003. Early loss and multiple return of the lower temporal arcade in diapsid reptiles. Naturwissenschaften, 90:473-476.
174. Nanda R. and Hickory W. 1984. Zygomaticomaxillary suture adaptations incident to anteriorly-directed forces in Rhesus Monkeys. The Angle Orthodontist, 54:199-210.
175. Nash, S.B. and Kokich, V.G. 1985. Evaluation of cranial bone suture autotransplants in the growing rabbit. Acta anatomica, 123:39-44.
176. Nicolay, C.W. and Vaders, M.J. 2006. Cranial suture complexity in white-tailed deer (Odocoileus virginianus). Journal of Morphology, 267:841-849. DOI:10.1002/jmor.10445
177. Norman, D.B. and Weishampel, D. B. 1985. Ornithopod feeding mechanisms: their bearing on the evolution of herbivory. The American Naturalist, 126:151-164.
178. Olson, E.C. 1961. Jaw mechanisms in rhipidistians, amphibians, reptiles. American Zoologist, 1:205-215. doi:10.1093/icb/1.2.205
179. Opperman, L.A. 2000. Cranial sutures as intramembranous bone growth sites. Developmental Dynamics, 219:472-485.
180. Ostrom, J. 1962. On the constrictor dorsalis muscles of Sphenodon. Copeia, 1962:732-735.
181. Oudhof, H.A.J. 1982. Sutural growth. Acta anatomica, 112:58-68.
182. Oudhof, H.A.J. and Markens, I.S. 1982. Transplantation of the interfrontal suture in the Wistar Rat. Acta anatomica, 113:39-46.
183. Oxnard, C.E., Lannigan, F., and O'Higgins, P. 1995. The mechanism of bone adaptation: tension and resorption in the human incus, p. 105-125. In Odegaard, A. and Weinans, H. (eds.), Bone Structure and Remodelling, Recent Advances in Human Biology 2: Series Editor Oxnard, C.E. World Scientific, Singapore.
184. Paphangkorakit, J., and Osborn, J.W. 1989. Effects on human maximum bite force of biting on a softer or harder object. Archives of Oral Biology, 43:833-839
185. Parkinson, B. 2002. The tuatara, New Zealand wild series (2nd edition). Reed Publishing, New Zealand.
186. Payne, S.L., Holliday, C.M., and Vickaryous, M.K. 2011. An osteological and histological investigation of cranial joints in geckos. Anatomical Record, 294:399-405.
187. Persson, M. 1995. The role of sutures in normal and abnormal craniofacial growth. Acta Odontologica Scandinavica, 53:152-161.
188. Persson, K.M., Roy, W.A., Persing, J.A., Rodeheaver, G.T., and Winn, H.R. 1979. Craniofacial growth following experimental craniosynostosis and craniectomy in rabbits. Journal of Neurosurgery, 50:187-197.
189. Persson, M. and Thilander, B. 1977. Palatal suture closure in man from 15 to 35 years of age. American Journal of Orthodontics, 72:42-52. doi:10.1016/0002- 9416(77)90123-3
190. Persson, M., Magnusson, B.C., and Thilander, B. 1978. Sutural closure in rabbit and man: a morphological and histochemical study. Journal of Anatomy, 125:313-321.
191. Preuschoft, H. and Witzel, U. 2002. Biomechanical investigations on the skulls of reptiles and mammals. Senckenbergiana Lethaia, 82:207-222.
192. Pritchard, J.J., Scott, J.H., and Girgis, F.G. 1956. The structure and development of cranial and facial sutures. Journal of Anatomy, 90:73-86.
193. Radhakrishnan, P. and Mao, J.J. 2004. Nanomechanical properties of facial sutures and sutural mineralization front. Journal of Dental Research, 83:470-475.
194. Rafferty, K.L. and Herring, S.W. 1999. Craniofacial sutures: morphology, growth, and in vivo masticatory strains. Journal of Morphology, 242:167-179. doi:10.1002/(SICI)1097-4687(199911)242:2<167::AID-JMOR8>3.0.CO;2-1
195. Rafferty, K.L., Herring, S.W., and Marshall, C.D. 2003. Biomechanics of the rostrum and the facial sutures. Journal of Morphology, 257:33-44.
196. Rayfield, E.J. 2004. Cranial mechanics and feeding in Tyrannosaurus rex. Proceedings of the Royal Society London, B271:1451-1459. doi:10.1098/rspb.2004.2755
197. Rayfield, E.J. 2005a. Using finite-element analysis to investigate suture morphology: a case study using large carnivorous dinosaurs. The Anatomical Record, A283:349-365.
198. Rayfield, E.J. 2005b. Aspects of comparative cranial mechanics in the theropod dinosaurs Coelophysis, Allosaurus and Tyrannosaurus. Zoological Journal of the Linnean Society, 144:309-316.
199. Rayfield, E.J., Norman, D.B., Horner, C.C., Horner, J.R., Smith, P.M., Thomason, J.J., and Upchurch, P. 2001. Cranial design and function in a large theropod dinosaur. Nature, 409:1033-1037.
200. Reiner, A. and Northcutt, R.G. 2000. Succinic dehydrogenase histochemistry reveals the location of the putative primary visual and auditory areas within the dorsal ventricular ridge of Sphenodon punctatus. Brain, Behaviour and Evolution, 55:26-36.
201. Reisz, R.R. 1981. A diapsid reptile from the Upper Pennsylvanian of Kansas, University of Kansas Publications of the Museum of Natural History, 7:1-74.
202. Rest, J.S., Ast, J.C., Austin, C.C., Waddell, P.J., Tibbetts, E.A., Hay, J.M., and Mindell, D.P. 2003. Molecular systematics of primary reptilian lineages and the tuatara mitochondrial genome. Molecular Phylogenetics and Evolution, 29:289-297. doi:10.1016/S1055-7903(03)00108-8
203. Reynoso, V.H. 1996. A Middle Jurassic Sphenodon-like sphenodontian (Diapsida: Lepidosauria) from Huizachal Canyon, Tamaulipas, Mexico. Journal of Vertebrate Paleontology, 16:210-221.
204. Reynoso, V.H. 2003. Growth patterns and ontogenetic variation of the teeth and jaws of the Middle Jurassic sphenodontian Cynosphenodon huizachalensis (Reptilia: Rhynchocephalia). Canadian Journal of Earth Sciences, 40:609-619.
205. Reynoso, V.H. and Clark, J.M. 1998. A dwarf sphenodontian from the Jurassic of La Boca Formation of Tamulipas, Mexico. Journal of Vertebrate Palaeontology 18:333-339.
206. Rieppel, O. 1978. The evolution of the naso-frontal joint in snakes and its bearing on snake origins. Zeitschrift für zoologische Systematik und Evolutionsforschung, 1978:12-27.
207. Rieppel, O. 1992. The skull in a hatchling of Sphenodon punctatus. Journal of Herpetology, 26:80-84.
208. Rieppel, O. 1994. Lepidosauromorpha: an overview with special emphasis on the Squamata, p. 23-37. In Fraser, N.C., and Sues, H.-D. (eds.), In the Shadow of the Dinosaurs: Early Mesozoic tetrapods. Cambridge University Press, Cambridge, UK.
209. Rieppel, O. and Gronowski, R.W. 1981. The loss of the lower temporal arcade in diapsid reptiles. Zoological Journal of the Linnean Society, 72:203-217.
210. Robb, J. 1977. The Tuatara. Meadowfield Press, Limited, Durham, England.
211. Robinson, P.L. 1973. A problematic reptile from the British Upper Trias. Journal of the Geological Society, 129:457-479.
212. Romer, A.S. 1956. Osteology of the reptiles. University of Chicago Press, Chicago.
213. Russell, A.P. and Thomason, J.J. 1993. Mechanical analysis of the mammalian head skeleton, chapter 8, p. 345-383. In Hanken, J. and Hall, B.K. (eds.), The skull, volume 3, Functional and evolutionary mechanisms. The University of Chicago, Chicago, USA.
214. Rybczynski, N., Tirabasso, A., Bloskie, P., Cuthbertson, R., and Holliday, C. 2008. A three-dimensional animation model of Edmontosaurus (Hadrosauridae) for testing chewing hypotheses. Palaeontologia Electronica Vol. 11, Issue 2; 9A:14p; http://palaeo-electronica.org/2008_2/132/index.html
215. Sánchez-Villagra, M. 2010. Suture closure as a paradigm to study late growth in recent and fossil mammals: a case study with giant deer and dwarf deer skulls. Journal of Vertebrate Paleontology, 30:1895-1898.
216. Säilä, L.K. 2005. A new species of the sphenodontian reptile Clevosaurus from the Lower Jurassic of South Wales. Palaeontology, 48:817-831.
217. Sarnat, B.G. 2008. Some factors related to experimental snout growth. Journal of Craniofacial Surgery, 19(5):1308-1314. doi:10.1097/SCS.0b013e3181843532
218. Schaunisland, H. 1903. Beiträge zur Entwicklungsgeschichte und Anatomie der Wirbeltiere. I. Sphenodon, Callorhynchus, Chameleo. Zoologica, Original-Abhandlungen aus dem Gesamtgebiete der Zoologie (Stuttgart), 39:1-93.
219. Schmid, K.L., Howland, H.C., and Howland, M. 1992. Focusing and accommodation in tuatara (Sphenodon punctatus). Journal of Comparative Physiology A, 170:263-266.
220. Schumacher, G-H. 1973. The maxilla-mandibular apparatus in the light of experimental investigations, p. 13-25. In Schumacher, G.-H. (ed.), Morphology of the maxillo-mandibular apparatus. VEB G. Thieme, Leipzig, Germany.
221. Schwenk, K. 1986. Morphology of the tongue in the tuatara, Sphenodon punctatus (Reptilia: Lepidosauria), with comments on function and phylogeny, Journal of Morphology, 188:129-156. doi:10.1002/jmor.1051880202.
222. Schwenk, K. 2000. Feeding in lepidosaurs Chapter 8, p. 175-291. In Schwenk, K. (ed.), Feeding. Form, Function, and Evolution in Tetrapod Vertebrates. Academic Press, San Diego.
223. Segura, V. and Flores, D. 2009. Qualitative approach and function in the cranial ontogeny of Puma concolor (Felidae). Mastozoología neotropical, 16:169-182.
224. Seligmann, H., Beiles, A., and Werner, Y.L. 2003. More injuries in left-footed individual lizards and Sphenodon. Journal of Zoology, 260:129-144.
225. Seligmann, H., Moravec, J.Í., and Werner, Y.L. 2008. Morphological, functional and evolutionary aspects of tail autotomy and regeneration in the 'living fossil' Sphenodon (Reptilia: Rhynchocephalia). Biological Journal of the Linnean Society, 93:721-743.
226. Sharell, R. 1966. The Tuatara, Lizards and Frogs of New Zealand. Collins, London.
227. Sherick, D.G., Buchman, S.R., Goulet, R.W., and Goldstein, S.A. 2000. A new technique for the quantitative analysis of cranial suture biology. The Cleft Palate- Craniofacial Journal, 37:5-11.
228. Shibazaki, R., Dechow, P.C., Maki, K.D.D.S., and Opperman, L.A. 2007. Biomechanical strain and morphologic changes with age in rat calvarial bone and sutures. Plastic and Reconstructive Surgery, 119:2167-2178.
229. Siebenrock, F. 1893. Zur Osteologie des Hatteria-Kopfes. Sitzungsberichte der kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-naturwissenschaftliche Klasse, 102:250-268.
230. Siebenrock, F. 1894. A contribution to the osteology of the head of Hatteria. Annals and Magazine of Natural History, 13:297-311.
231. Slater, B.J., Lenton, K.A., James, A., and Longaker, M.T. 2009. Ex vivo model of cranial suture morphogenesis and fate. Cell Tissues and Organs, 190:336-346.
232. Sun, Z., Lee, E., and Herring, S.W. 2004. Cranial sutures and bones: growth and fusion in relation to masticatory strain. The Anatomical Record, A276:150-161. doi:10.1002/ar.a.20002
233. Taylor, M.A. 1992. Functional anatomy of the head of the large aquatic predator Rhomaleosaurus zetlandicus (Plesiosauria, Reptilia). Philosophical Transactions of the Royal Society of London, B335:247-280.
234. Taylor, M.A. and Cruickshank, A.R.I. 1993. Cranial anatomy and functional morphology of Pliosaurus brachyspondylus (Reptilia: Plesiosauria) from the Upper Jurassic of Westbury, Wiltshire. Philosophical Transactions: Biological Sciences, 341:399-418.
235. Thomason, J.J., Grovum, L.E., Deswysen, A.G., and Bignell, W.W. 2001. In vivo surface strain and sterology of the frontal and maxillary bones of sheep: Implications for the structural design of the mammalian skull. The Anatomical Record, 264:325-338.
236. Thompson, M.B. and Daugherty, C.H. 1992. Living a lie: New Zealand's tuatara. Australian Natural History, 23(12):928-935.
237. Thomson, K.S. 1995. Graphical analysis of dermal skull roof patterns Chapter 11, p. 193-204. In Thomason, J.J. (ed.), Functional Morphology in Vertebrate Palaeontology. Cambridge University Press, Cambridge, UK.
238. Tyler, M.J. 1976. Comparative osteology of the pelvic girdle of Australian frogs and description of a new fossil genus. Transactions of the Royal Society Australia, 100:3-14.
239. Ussher, G.T. 1999. Tuatara (Sphenodon punctatus) feeding ecology in the presence of kiore (Rattus exulans). New Zealand Journal of Zoology, 26:117-125.
240. Versluys, J. 1912. Das Streptostylie-Problem und die Bewegungen im Schädel bei Sauropsiden. Zoologisches Jahrbuch, Supplement-Band 5(2):545-716.
241. Wagemans, P.A.H.M, van de Velde, J-P., and Kuljpers-Jagtman, A.M. 1988. Sutures and forces: A review. American Journal of Orthodontics and Dentofacial Orthopedics, 94:129-141.
242. Wang, Q., Strait, D.S., and Dechow, P.C. 2006. Fusion patterns of craniofacial sutures in rhesus monkey skulls of known age and sex from Cayo Santiago. American Journal of Physical Anthropology, 131:469-485.
243. Watanabe, M., Laskin, D.M., and Brodie, A.G. 1957. The effect of autotransplantation on growth of the zygomaticomaxillary suture. American Journal of Anatomy, 100:319-329.
244. Wegner, R.N. 1959. Der Schädelbau der Lederschildkröte Dermochelys coriacea Linné (1766). Abhandlungen Deutschen Akademie der Wissenschaften zu Berlin, KIasse für Chemie, Geologie und Biologie, 4:3-80.
245. Weishampel, D. 1984. Evolution of jaw mechanisms in ornithopod dinosaurs. Advances in Anatomy, Embryology and Cellular Biology, 87:1-116.
246. Werner, G. 1962. Das Cranium der Brückenechse, Sphenodon punctatus Gray, von 58 mm Gesamtlänge. Journal of Anatomy and Embryology, 123(4):323-368.
247. Wettstein, O.v. 1931. Ordnung der Klasse Reptilia: Rhynchocephalia, Kükenthal und Krumbach's Handbuch der Zoologie, 7:1-128.
248. Wettstein, O.v. 1932. Ordnung der Klasse Reptilia: Rhynchocephalia, In Kükenthal and Krumbach's Handbuch der Zoologie, 7:129-224.
249. Wettstein, O.v. 1937. Ordnung der Klasse Reptilia: Rhynchocephalia, Kükenthal and Krumbach's Handbuch der Zoologie, 7:225-235.
250. White, C.D. 1996. Sutural effects of fronto-occipital cranial modification. American Journal of Physical Anthropology, 100:397-410.
251. Whiteside, D.I. 1986. The head skeleton of the Rhaetian sphenodontid Diphydontosaurus avonis gen. et sp. nov., and the modernising of a living fossil. Philosophical Transactions of the Royal Society of London, B312:379-430.
252. Wilson, L.A.B. and Sánchez-Villagra, M.R. 2009. Heterochrony and patterns of cranial suture closure in hystricognath rodents. Journal of Anatomy, 214:339-354. doi:10.1111/j.1469-7580.2008.01031.x
253. Witmer, L.M. 1995. Homology of facial structure in extant archosaurs (birds and crocodilians), with special reference to paranasal pneumaticity and nasal conchae. Journal of Morphology, 225:269-327.
254. Wu, X.-C. 2003. Functional morphology of the temporal region in the Rhynchocephalia. Canadian Journal of Earth Sciences, 40:589-607.