A selachian freshwater fauna from the Triassic of Kyrgyzstan and its implication for Mesozoic shark nurseries

Journal of Vertebrate Paleontology

Volumn 31, Issue 5, 2011, Pages 937-953

  Fischer, Jan ^a   Voigt, Sebastian ^a   Schneider, Jörg W ^a   Buchwitz, Michael ^a   Voigt, Silke ^b  

^a TU BERGAKADEMIE FREIBERG   (Germany)

^b GOETHE UNIVERSITY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

FOSSIL; FRESHWATER ENVIRONMENT; LACUSTRINE ENVIRONMENT; MESOZOIC; NEW TAXON; OXYGEN ISOTOPE; SHARK; SPAWNING; STRONTIUM ISOTOPE; TOOTH; TRIASSIC;

KYRGYZSTAN;

BIVALVIA; CHONDRICHTHYES; XENACANTHIFORMES;

EID: 80052712343     PISSN: 02724634     EISSN: 19372809     Source Type: Journal    
DOI: 10.1080/02724634.2011.601729     Document Type: Article

References (125)

1. Agassiz, L. 1843. Recherches sur les Poissons Fossiles III. Petitpierre, Neucȟatel, 390 pp.
2. Berner, U., G. Scheeder, J. Kus, S. Voigt, and J. W. Schneider. 2009. Organic geochemical characterization of terrestrial source rocks of the TriassicMadygen Formation (Southern Tien Shan, Kyrgyzstan). Oil Gas 3:135-139.
3. Bonaparte, C. L. J. 1838. Selachorum tabula analytica. NuoviAnnali delle Scienze Naturali Bologna 1:195-214.
4. Böttcher, R. 2010. Description of the shark egg capsule Palaeoxyris friessi n. sp. from the Ladinian (Middle Triassic) of SW Germany and discussion of all known egg capsules from the Triassic of the Germanic Basin. Palaeodiversity 3:123-139.
5. Brongniart, A. 1828. Essai d'une Flore du gr és bigarr é. Annales des sciences naturelles 15:435-460.
6. Brough, J. 1935. On the structure and relationships of the hybodont sharks. Memoirs and Proceedings of the Manchester Literary and Philosophical Society 79:35-50.
7. Brown, R. W. 1950. Cretaceous fish egg capsule from Kansas. Journal of Paleontology 24:594-600.
8. Cappetta, H. 1987. Chondrichthyes II: Mesozoic and Cenozoic Elasmobranchii; in H.-P. Schultze (ed.), Handbook of Paleoichthyology 3B. Gustav Fischer Verlag, Stuttgart, New York, 193 pp.
9. Cappetta, H., and G. R. Case. 1975. Contribution á l'étude des Sélaciens du Groupe Monmouth (Campanien-Maestrichtien) du New Jersey. Palaeontographica A 151:1-46.
10. Case, G. R. 1987. A new selachian fauna from the late Campanian of Wyoming (Teapot Sandstone Member, Mesaverde Formation, Big Horn Basin). Palaeontographica A 197:1-137.
11. Castro, J. I. 1993. The shark nursery of Bulls Bay, South Carolina, with a review of the shark nurseries of the southeastern coast of the United States. Environmental Biology of Fishes 38:37-48.
12. Compagno, L. J. V. 1990. Alternative life-history styles of cartilaginous fishes in time and space. Environmental Biology of Fishes 28:33-75.
13. Compagno, L. J. V., and S. F. Cook 1995. The exploitation and conservation of freshwater elasmobranchs: Status of taxa and prospects for the future. Journal of Aquariculture and Aquatic Sciences 7:62-90.
14. Cox, D. L., and T. J. Koob. 1993. Predation on elasmobranch eggs. Environmental Biology of Fishes 38:117-125.
15. Crookall, R. 1928a. The genus Fayolia. The Naturalist:325-332 and 361-367.
16. Crookall, R. 1928b. Palaeozoic species of Vetacapsula and Palaeoxyris. Summary of Progress of the Geological Survey of Great Britain and the Museum of Practical Geology for 1927 part II:87-108.
17. Crookall, R. 1930. Further morphological studies in Palaeoxyris, etc. Summary of Progress of the Geological Survey of Great Britain and the Museum of Practical Geology for 1929 part III:8-36.
18. Crookall, R. 1932. The nature and affinities of Palaeoxyris, etc. Summary of Progress of the Geological Survey of Great Britain and the Museum of Practical Geology for 1931 part II:122-140.
19. Cuny, G., V. Suteethorn, and E. Buffetaut. 2004. Freshwater hybodont sharks from the Lower Cretaceous of Thailand; pp. 15-26 in R. A. Martin, and D. MacKinley (eds.), International Congress on the Biology of Fish, Biology and Conservation of Freshwater Elasmobranchs, Manaus, Brazil, 1-5 August 2004. Symposium Proceedings. American Fisheries Society.
20. Cuny, G., P. Srisuk, S. Khamha, V. Suteethorn, and H. Tong. 2009. A new elasmobranch fauna from theMiddle Jurassic of southern Thailand; pp. 97-113 in E. Buffetaut,G. Cuny, J. Le Loeuff, and V. Suteethorn (eds.), Late Palaeozoic and Mesozoic Ecosystems in SE Asia. Special Publication 315. The Geological Society, London.
21. Dobruskina, I. A. 1995. Keuper (Triassic) flora fromMiddle Asia (Madygen, southern Fergana). New Mexico Museum of Natural History and Science Bulletin 5:1-49.
22. Duffin, C. J. 1985. Revision of the hybodont selachian genus Lissodus Brough (1935). Palaeontographica A 188:105-152.
23. Duffin, C. J. 1993. Mesozoic chondrichthyan faunas 1. Middle Norian (Upper Triassic) of Luxembourg. Palaeontographica A 229:15-36.
24. Dulvy, N. K., and J. D. Reynolds. 1997. Evolutionary transitions among egg-laying, live-bearing and maternal inputs in sharks and rays. Proceedings of the Royal Society of London Series B 264:1309-1315.
25. Duncan, M. 2004. Chondrichthyan genus Lissodus from the Lower Carboniferous of Ireland. Acta Geologica Polonica 49:417-428.
26. Estes, R. 1964. Fossil vertebrates from the Late Cretaceous Lance Formation Eastern Wyoming. University of California Publications in Geological Sciences 49:1-187.
27. Estes, R., and B. Sanchíz. 1982. Early Cretaceous lower vertebrates from Galve (Teruel), Spain. Journal of Vertebrate Paleontology 2:21-39.
28. Ettingshausen, C. v. 1852. Ueber Palaeobromelia, ein neues fossiles Pflanzengeschlecht. Abhandlungen der kaiserlich-königlichen geologischen Reichsanstalt, Wien 1(3. Abth.):1-10.
29. Fedorenko, O. A., and N. V. Miletenko. 2002. Atlas of the Lithology- Paleogeographical, Structural, Palinspatic and Geoenviromental Maps of Central Asia. Scientific Research Institute of Natural Resources. YUGGEO, Almaty, 70 pp.
30. Fischer, J. 2008. Brief synopsis of the hybodont form taxon Lissodus Brough, 1935, with remarks on the environment and associated fauna. Freiberger Forschungshefte C 528:1-23.
31. Fischer, J., and I. Kogan. 2008. Elasmobranch egg capsules Palaeoxyris, Fayolia and Vetacapsula as subject of palaeontological research-an annotated bibliography. Freiberger Forschungshefte C 528:75-91.
32. Fischer, J., B. J. Axsmith, and S. R. Ash. 2010a. First unequivocal record of the hybodont shark egg capsule Palaeoxyris in the Mesozoic of North America. Neues Jahrbuch f̈ur Geologie und Paläontologie Abhandlungen 255:327-344.
33. Fischer, J., J. W. Schneider, and A. Ronchi. 2010b. New hybondontoid shark from the Permocarboniferous (Gzhelian-Asselian) of Guardia Pisano (Sardinia, Italy). Acta Palaeontologica Polonica 55:241-264.
34. Fischer, J., S. Voigt, and M. Buchwitz. 2007. First elasmobranch egg capsules from freshwater lake deposits of the Madygen Formation (Middle to Late Triassic, Kyrgyzstan, Central Asia). Freiberger Forschungshefte C 524:41-46.
35. Frentzen, K. 1932. Beiträge zur Kenntnis der fossilen Flora des s̈udwestlichen Deutschland. IX. Revision der Rhätflora Schwabens. Jahresberichte und Mitteilungen des Oberrheinischen geologischen Vereines Neue Folge XXI:75-94.
36. Gall, J.-C. 1971. Faunes et paysages du Grés á Voltzia du Nord des Vosges. Essai paléoécologique sur le Bundsandstein supérieur. Mémories du Service de la Carte géologique d'Alsace et de Lorraine 34. Université Louis Pasteur de Strasbourg, Strasbourg, 318 pp.
37. Ginter, M., O. Hampe, and C. J. Duffin. 2010. Chondrichthyes- Paleozoic Elasmobranchii: Teeth; in H.-P Schultze (ed.), Handbook of Paleoichthyology 3D. Verlag Dr. Friedrich Pfeil, Munich, 168 pp.
38. Girard, C. F. 1855. Characteristics of some cartilaginous fishes oft he Pacific coast of North America. Proccedings of the Academy of Natural Sciences of Philadelphia 7:196-197.
39. Grogan, E. D., and R. Lund. 2004. The origin and relationships of early Chondrichthyes; pp. 3-31 in J. C. Carrier, J. A. Musick, and M. R. Heithaus (eds.), Biology of Sharks and Their Relatives. CRC Press, New York.
40. Grogan, E. D., and R. Lund. 2011. Superfoetative viviparity in a Carboniferous chondrichthyan and reproduction in early gnathostomes. Zoological Journal of the Linnean Society 161:587-594.
41. Grubbs, R. D. 2010. Ontogenetic shifts in movements and habitat use; pp. 319-350 in J. C. Carrier, J. A. Musick, and M. R. Heithaus (eds.), Sharks and Their Relatives II-Biodiversity, Adaptive Physiology, and Conservation. CRC Press, New York.
42. Guennegues, S., and J. P. Biddle. 1989. Recherches sur les elasmobranches Jurassiques du Bassin de Paris. SAGA Information Special 94:22-25.
43. Hamlett, W. C., D. P. Knight, F. T. V. Pereira, J. Steele, and D. M. Sever. 2005a. Oviducal glands in chondrichthyans; pp. 301-335 in W. C. Hamlett (ed.), Reproductive Biology and Phylogeny of Chondrichthyes: Sharks, Batoids and Chimaeras. Science Publishers, Enfiel.
44. Hamlett, W. C., G. Kormanik, M. Storrie, B. Stevens, and T. I. Walker. 2005b. Chondrichthyan parity, lecithotrophy and matrotrophy; pp. 397-434 in W. C. Hamlett (ed.), Reproductive Biology and Phylogeny of Chondrichthyes: Sharks, Batoids and Chimaeras. Science Publishers, Enfiel.
45. Hampe, O. 1989. Revision der Triodus-Arten (Chondrichthyes: Xenacanthida) aus dem saarpfälzischen Rotliegenden (Oberkarbon-Perm, SW-Deutschland) aufgrund ihrer Bezahnung. Paläontologische Zeitschrift 63:79-101.
46. Hampe, O. 1996. Dermale Skelettelemente von Lissodus (Chondrichthyes: Hybodontoidea) aus dem Unterperm des Saar-Nahe- Beckens. Paläontologische Zeitschrift 70:225-243.
47. Hay, O. P. 1902. Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179:1-868.
48. Heckert, A. B. 2004. Late Triassic Microvertebrates from the Lower Chinle Group (Otischalkian-Adamanian: Carnian), Southwestern U.S.A. New Mexico Museum of Natural History and Science Bulletin 27, 170 pp.
49. Heckert, A. B., A. Ivanov, and S. G. Lucas. 2007. Dental morphology of the hybodontoid shark Lonchidion humblei MURRY from the Upper Triasic ChinleGroup, USA. NewMexico Museum of Natural History and Science Bulletin 41:45-48.
50. Herman, J. 1977. Les Sélaciens des terrains néocré tacés et paléocénes de Belgique et des contrées limitrophes. Eléments d'une biostratigraphie intercontinentale. Mémoirs pour Servir á Explication des Cartes Géologiques et Mini éres de la Belgique 15;1-450.
51. Heupel, M. R., J. K. Carlson, and C. A. Simpfendorfer. 2007. Shark nursery areas: Concepts, definition, characterization and assumptions. Marine Ecology Progress Series 337:287-297.
52. Hueter, R. E., M. R. Heupel, E. J. Heist, and D. B. Keeney. 2005. Evidence of philopatry in sharks and implications for the management of shark fisheries. Journal of Northwest Atlantic Fishery Science 35:239-247.
53. Huxley, T. H. 1880. On the Application of the laws of evolution to the arrangement of the Vertebrata, and more particularly of the Mammalia. Proceedings of the Zoological Society of London 1880;649-662.
54. Joachimski, M. M., S. Breisig, W. Buggisch, J. A. Talent, R. Mawson, M. Gereke, J. R. Morrow, J. Day, and K. Weddige. 2009. Devonian climate and reef evolution: Insights from oxygen isotopes in apatite. Earth and Planetary Science Letters 284:599-609.
55. Johns, M. J., C. R. Barnes, and M. J. Orchard. 1997. Taxonomy and biostratigraphy of Middle and Late Triassic elasmobranch ichthyoliths from northeastern British Columbia. Geological Survey of Canada Bulletin 502:1-235.
56. Klug, S. 2010. Interspecific variation or sexual dimorphism: Is early neoselachian diversity an artefact or substantial? Zitteliana Program and Abstracts B 29:59.
57. Klug, S., T. Tütken, O. Wings, H.-U. Pfretzschner, and T. Martin. 2010. A Late Jurassic freshwater shark assemblage (Chondrichthyes, Hybodontiformes) from the southern Junggar Basin, Xinjiang, Northwest China. Palaeobiodiversity and Palaeoenvironments 90:241-257.
58. Kocsis, L., T. W. Vennemann, andD. Fontignie. 2007. Migration of sharks into freshwater systems during the Miocene and implications for Alpine paleoelevation. Geology 35:451-454.
59. Kogan, I., K. Schönberger, J. Fischer, and S. Voigt. 2009. A nearly complete skeleton of Saurichthys orientalis (Pisces, Actinopterygii) from the Madygen Formation (Middle to Late Triassic, Kyrgyzstan, Central Asia)-preliminary results. Freiberger Forschungshefte C 532:139-152.
60. Kohring, R. R. 1995. Reflections on the origin of the amniote egg in the light of reproductive strategies and shell structure. Historical Biology 10:259-275.
61. Kolodny, Y., and B. Luz. 1991. Oxygen isotopes in phosphates of fossil fish-Devonian to Recent; pp. 105-119 in H. P. Taylor, J. R. O'Neil, and I. R. Kaplan (eds.), Stable Isotope Geochemistry: A Tribute to Samuel Epstein. The Geochemical Society Special Publication No. 3.
62. Korte, C., H. W. Kozur, P. Bruckschen, and J. Veizer. 2003. Strontium isotope evolution of Late Permian and Triassic seawater. Geochimica et Cosmochimica Acta 67:47-62.
63. Kriwet, J., F. Witzmann, S. Klug, and U. H. J. Heidtke. 2007. First direct evidence of a vertebrate three-level trophic chain in the fossil record. Proceedings of the Royal Physical Society B: Biological Science 275:181-186.
64. Langford, G. 1958. Palaeoxyris; pp. 295-302 in G. Langford (ed.), The Wilmington coal flora from a Pennsylvanian deposit in Will County, Illinois. Esconi Associates, Downers Grove.
65. Layne, N. M. 1950. A procedure for shale disintegration. The Micropaleontologist 4:21.
66. Lesquereux, L. 1870. Organs of uncertain affinity. Geological Survey of Illinois IV, Springfield:464-467.
67. Lowe, C. G. 2002. Bioenergetics of free-ranging juvenile scalloped hammerhead sharks (Sphyrna lewini) in Kane'ohe Bay, O'ahu, HI. Journal of Experimental Marine Biology and Ecology 278:141-156.
68. Maisey, J. G. 1989. Hamiltonichthys mapesi, g. and sp. nov. (Chondrichthyes; Elasmobranchii), from the Upper Pennsyvanian of Kansas. American Museum Novitates 2931:1-42.
69. Moysey, L. 1910. On Palaeoxyris and other allied fossils from Derbyshire and Nottinghamshire Coalfield. The Quarterly Journal of the Geological Society of London 66:329-345.
70. Müller, A. H. 1978. Über Palaeoxyris und andere Eikapseln fossiler Knorpelfische (Chondrichthyes). Freiberger Forschungshefte C 342:7-28.
71. Murry, P. A. 1981. A new species of freshwater hybodont from the Dockum Group (Triassic) of Texas. Journal of Paleontology 55:603-607.
72. Owen. R. 1846. Lectures on the Comparative Anatomy and Physiology of the Vertebrate Animals, Delivered at the Royal College of Surgeons of England in 1844 and 1846. Part 1: Fishes. Longman, Brown, Green, and Longmans, London, 308 pp.
73. Patterson, C. 1966. British Wealden sharks. Bulletin of the British Museum Natural History (Geology) 11:283-350.
74. Pimiento, C., D. J. Ehret, B. J. MacFadden, and G. Hubbell. 2010. Ancient nursery area for the extinct giant shark Megalodon from the Miocene of Panama. PLoS one 5:1-9.
75. Poschmann, M., and T. Schindler. 1997. Ein Neufund von Fayolia sp. (Chondrichthyes: Hai-Eikapsel) mit paläoökologischen Anmerkungen zum Fundhorizont (Niedermoschel-Bank, Unteres Rotliegend; Saar-Nahe-Becken). Mainzer geowissenschaftliche Mitteilungen 26:25-36.
76. Powter, D. M., andW. Gladstone. 2008. Embryonic mortality and predation on egg capsules of the Port Jackson shark Heterodontus portusjacksoni (Meyer). Journal of Fish Biology 72:573-584.
77. Prantl, F. 1933. O rodu Palaeoxyris v Ĉechá ch. Rozpravy II. Tridy Ceské Akademie Ved a Umeni 43:1-4.
78. Prasad, G. V. R., K. Singh, V. Parmar, A. Goswami, and C. S. Sudan. 2008. Hybodont shark teeth from the continental Upper Triassic deposits of India; pp. 413-432 in G. Arratia, H.-P. Schultze, and M. V. H. Wilson (eds.), Mesozoic Fishes 4-Homology and Phylogeny. Proceeding of the International Meeting Miraflores de la Sierra, 2005. Verlag Dr. Friedrich Pfeil, Munich.
79. Prestwich, J. 1840. On the geology of coalbrook dale. Transactions of the Geological Society of London 2nd Series 5:413-495.
80. Pruvost, P. 1919. Introduction á l'étude du terrain houiller du Nord et du Pas-de-Calais. La faune continetale du terrain houiller du Nord de la France. Mémoires pour servir á l'explication de la Carte Géologique détaillée de la France. Imprimerie Nationale, Paris:439-453.
81. Pruvost, P. 1930. La faune continentale du terrain houiller de la Belgique. Mémoires du Musée Royal d'Histoire Naturelle de Belgique 44:133-141.
82. Purdy, R. W. 1996. Paleoecology of fossil white sharks; pp. 67-78 in A. P. Klimley and D. G. Ainley (eds.), Great White Sharks: The Biology of Carcharodon carcharias. Academic Press, New York.
83. Purdy, R. W. 1998. Chondrichthyan fishes from the Paleocene of South Carolina. Transactions of the American Philosophical Society 88:122-146.
84. Rees, J. 2002. Shark fauna and depositional environment of the earliest Cretaceous Vitabäck Clays at Eriksdal, southern Sweden. Transactions of the Royal Society of Edinburgh: Earth Science 93:59-71.
85. Rees, J. 2008. Interrelationships of Mesozoic hybodont sharks as indicated by dental morphology-preliminary results. Acta Geologica Polonica 58:217-221.
86. Rees, J., and C. J. Underwood. 2002. The Status of the shark genus Lissodus Brough, 1935, and the position of nominal Lissodus species within the Hybodontoidea (Selachii). Journal of Vertebrate Paleontology 22:471-479.
87. Rees, J., and C. J. Underwood. 2008. Hybodont sharks of the English Bathonian and Callovian (Middle Jurassic). Palaeontology 51:117-147.
88. Reif,W. E. 1978. Types of morphogenesis of the dermal skeleton in fossil sharks. Paläontologische Zeitschrift 52:110-128.
89. Renault, B., and R. Zeiller. 1884. Sur un nouveau genre de fossiles végétaux. Comptes rendus hebdomadaires des séances de l'Académie des sciences:1391-1394.
90. Renault, B., and R. Zeiller. 1888. Sur l'attribution des genres Fayolia et Palaeoxyris. Comptes rendus hebdomadaires des séances de l'Académie des sciences 107:1022-1025.
91. Rigo, M., and M. M. Joachimski. 2010. Palaeoecology of Late Triassic conodonts: Constraints from oxygen isotopes in biogenic apatite. Acta Palaeontologica Polonica 55:471-478.
92. Rodda, K. R., and R. S. Seymor. 2008. Functional morphology of embryonic development in the Port Jackson shark Heterodontus portusjacksoni (Meyer). Journal of Fish Biology 72:961-984.
93. Romanowski, G. 1880. Materialien zur Geologie von Turkestan. I. Lieferung. Buchdruckerei der Kaiserlichen Akademie der Wissenschaften, St. Petersburg:135-136.
94. Rosa, R. S., P. Charvet-Almeida, and C. C. D. Quijada. 2010. Biology of the South American potamotrygonid stingrays; pp. 241-275 in J. C. Carrier, J. A. Musick, and M. R. Heithaus (eds.), Sharks and Their Relatives II-Biodiversity, Adaptive Physiology, and Conservation. CRC Press, New York.
95. Rössler, R., and J. W. Schneider. 1997 Eine bemerkenswerte Paläobiocoenose im Unterkarbon Mitteleuropas-Fossilf̈uhrung und Paläoenvironment der Hainichen-Subgruppe (Erzgebirge- Becken). Veröffentlichungen Museum f̈ur Naturkunde Chemnitz 20 5-44.
96. Saporta, G. 1891. Plantes jurassiques. Paléontologie française ou description des fossiles de la France. Série 2 Vegétaux T 4. Paris:28-62 and 274-280.
97. Schmitz, B., G. Åberg, L. Werdelin, P. Forey, and S. E. Bendix- Almgreen. 1991. 87Sr/86Sr, Na, F, Sr, and La in skeletal fish debris as a measure of the paleosalinity of fossil-fish habitats. Geological Society of America Bulletin 103:786-794.
98. Schneider, J. W. 1986. Limnoselache n. g.-ein Süßwasserhai der paläozoisch-mesozoischen Familie Tristychiiade (Hybodontoidea). Freiberger Forschungshefte C 410:77-87.
99. Schneider, J. W. 1996. Xenacanth teeth-a key for taxonomy and biostratigraphy. Modern Geology 20:321-340.
100. Schneider, J. W., and W. Reichel. 1989. Chondrichthyer-Eikapseln aus dem Rotliegenden (Unterperm) Mitteleuropas- Schlußfolgerungen zur Paläobiologie paläozoischer Süßwasserhaie. Freiberger Forschungshefte C 436:58-69.
101. Schneider, J. W., and J. Zajíc. 1994. Xenacanthiden (Pisces, Chondrichthyes) des mitteleuropäischen Oberkarbon und Perm-Revision der Originale zu Goldfuss 1847, Beyrich 1848, Kner 1867 und Fritsch 1879-1890. Freiberger Forschungshefte C 452:101-151.
102. Schneider, J. W., K. Hoth, B. Gaitzsch, H. J. Berger, H. Steinborn, H. Walter, and M. K. Zeidler. 2005. Carboniferous stratigraphy and development of the Erzgebirge Basin, East Germany. Zeitschrift der Deutschen Gesellschaft f̈ur Geowissenschaften 156:431-466.
103. Schoch, R., S. Voigt, and M. Buchwitz. 2010. A chroniosuchid from the Triassic of Kyrgyzstan and analysis of chronosuchian relationships. Zoological Journal of the Linnean Society 160:515-530.
104. Schultze, H.-P. 2009. Interpretation of marine and freshwater paleoenvironments in Permo-Carboniferous deposits. Palaeogeography, Palaeoclimatology, Palaeoecology 281:126-136.
105. Schultze, H.-P., and R. Soler-Gijón. 2004. A xenacanth clasper from the ?uppermost Carboniferous-Lower Permian of Buxiéres-les-Mines (Massif Central, France) and the palaeoecology of the European Permo-Carboniferous basins. Neues Jahrbuch f̈ur Geologie und Paläontologie Abhandlungen 232:325-363.
106. Seilacher, A. 1943. Elasmobranchier-Reste aus dem oberen Muschelkalk und dem Keuper Württembergs. Neues Jahrbuch f̈ur Mineralogie, Geologie und Paläontologie Monatshefte B:256-292.
107. Sharp, Z. D., V. Atudorei, V., and H. Furrer. 2000. The effect of diagenesis on oxygen isotope ratios of biogenic phosphates. American Journal of Science 300:222-237.
108. Shcherbakov, D. E. 2008. Madygen, Triassic Lagerstätte number one, before and after Sharov. Alavesia 2:113-124.
109. Soler-Gijón, R. 1995. Evidence of predator-prey relationship in xenacanth sharks of the Upper Carboniferous (Stephanian C) from Puertollano, Spain. Geobios 28(Supplement 2):151-156.
110. Stainier, X. 1894. Un Spiraxis nouveau du Devonien Belge. Bulletin de la Société Belge de Géologie, de Paléontologie et d'Hydrologie VIII:23-28.
111. Sytchevskaya, E. K. 1999. Freshwater fish fauna from the Triassic of northern Asia; pp. 445-468 in G. Arratia and H.-P. Schultz (eds.), Mesozoic Fishes 2-Systematics and Fossil Record. Proceeding of the InternationalMeeting Buckow, 1997. Verlag Dr. Friedrich Pfeil, Munich.
112. Thies, D. 1995. Placoid scales (Chondrichthyes: Elasmobranchii) from the Late Jurassic (Kimmeridgian) of northernGermany. Journal ofVertebrate Paleontology 15:463-481.
113. Thurmond, J. T. 1972. Cartilaginous fishes of the Trinity Group and related rocks (Lower Cretaceous) of north central Texas. Southeastern Geology 13:207-227.
114. Turner, S., J. W. Schneider, and O. Hampe. 2008. The survivors: Devonian-Triassic xenacanthiform sharks across Gondwana; p. 50 in 5th Symposium on Permo-Carboniferous Faunas, July 7-11, 2008, Museum of Eastern Bohemia at Hradec Kr ́alové, Special Publication "Faunas and Palaeoenvironments of the Late Palaeozoic".
115. Vennemann, T. W., E. Hegner, G. Cliff, and G. W. Benz. 2001. Isotopic composition of recent shark teeth as a proxy for environmental conditions. Geochimica et Cosmochimica Acta 65: 1583-1599.
116. Vialov, O. S. 1984. Nowaja nachodka jaizewych kapsul elasmobranchij Palaeoxyris; pp. 99-103 in O. S. Vialov, W. I. Gawrilischin, W. J. Didikovski, W. J. Sosimovitsch, W. P. Makridin, N. W. Maslun, and O. L. Eynor (eds.), Paleontologija i stratigrafija fanerosoja Ukrainy. Naukova dumka, Kiev.
117. Voigt, S., and D. Hoppe. 2010. Mass occurrence of penetrative trace fossils in Triassic lake deposits (Kyrgyzstan, Central Asia). Ichnos 17:1-11.
118. Voigt, S., H. Haubold, S. Meng, D. Krause, J. Buchantschenko, K. Ruckwied, and A. E. Götz. 2006. Die Fossil-Lagerstätte Madygen: Ein Beitrag zur Geologie und Paläontologie der Madygen-Formation (Mittel- bis Ober-Trias, SW-Kirgisistan, Zentralasien). Hallesches Jahrbuch f̈ur Geowissenschaften 22:85-119.
119. Waterlot, G. 1934. II. Faune Fossile-etude de la faune continentale du terrain Houiller Sarro-Lorrain. É tudes des Gǐtes Minéraux de la France. Bassin Houiller de la Sarre et de la Lorraine, Lille: 240-244.
120. White, W. T., and E. Sommerville. 2010. Elasmobranchs of tropical marine ecosystems; pp. 160-200 in J. C. Carrier, J.A.Musick, and M. R. Heithaus (eds.), Sharks and Their Relatives II-Biodiversity, Adaptive Physiology, and Conservation. CRC Press, New York.
121. Woodward, A. S. 1916. The fossil fishes of theWealden and Purbeck formations. Palaeontological Society Monograph 69:1-48.
122. Wyffels, J. T. 2009. Embryonic development of chondrichthyan fishes-a review; pp. 1-103 in Y. W. Kunz, C. A. Luer, and B. G. Kapoor (eds.), Development of Non-Teleost Fishes. Science Publishers, Enfield.
123. Yadagiri, P. 1986. Lower Jurassic lower vertebrates from Koto Formation, Pranhita-Godavari Valley, India. Journal of the Palaeontological Society of India 31:89-96.
124. Zacke, A., S. Voigt, M. M. Joachimski, A. S. Gale, D. J. Ward, and T. Tütken. 2009. Surface-water freshening and high-latitude river discharge in the Eocene North Sea. Journal of the Geological Society 166:969-980.
125. Zidek, J. 1976. A new shark egg capsule from the Pennsylvanian of Oklahoma, and remarks on the chondrichthyan egg capsules in general. Journal of Paleontology 50:907-915.