A new transitional sauropodomorph dinosaur from the Early Jurassic of South Africa and the evolution of sauropod feeding and quadrupedalism

Proceedings of the Royal Society B: Biological Sciences

Volumn 277, Issue 1682, 2010, Pages 787-794

  Yates, Adam M ^a   Bonnan, Matthew F ^b   Neveling, Johann ^c   Chinsamy, Anusuya ^d   Blackbeard, Marc G ^a  

^a UNIVERSITY OF THE WITWATERSRAND   (South Africa)

^b WESTERN ILLINOIS UNIVERSITY   (United States)

^c Western Cape Regional Office   (South Africa)

^d UNIVERSITY OF CAPE TOWN   (South Africa)

Author keywords

Aardonyx celestae; Auropodomorph; Bulk browsing; Quadrupedal gait; Sauropod

Indexed keywords

BONE; DINOSAUR; FEEDING ECOLOGY; FOSSIL RECORD; JURASSIC; MORPHOMETRY; NEW RECORD;

SOUTH AFRICA;

DINOSAURIA; SAUROPODA; SAUROPODOMORPHA;

EID: 77649200241     PISSN: 09628452     EISSN: 14712970     Source Type: Journal    
DOI: 10.1098/rspb.2009.1440     Document Type: Article

References (30)

1. Benton, M. J., Juul, L., Storrs, G. W. & Galton, P. M. 2000 Anatomy and systematics of the prosauropod dinosaur Thecodontosaurus antiquus from the Upper Triassic of southwest England. J. Vert. Paleontol. 20, 77-108. (doi:10.1671/0272-4634(2000)020[0077:AASOTP]2.0.CO;2)
2. Bonnan, M. F. 2003 The evolution of manus shape in sauropod dinosaurs: implications for functional morphology, forelimb orientation, and phylogeny. J. Vert. Paleontol. 23, 595-613. (doi:10.1671/A1108)
3. Bonnan, M. F. 2007 Linear and geometric morphometric analysis of long bone scaling patterns in Jurassic Neosauropod dinosaurs: their functional and paleobiological implications. Anat. Rec. 290, 1089-1111. (doi:10.1002/ar.20578)
4. Bonnan, M. F. & Yates, A. M. 2007 A new description of the forelimb of the basal sauropodomorph Melanorosaurus: implications for the evolution of pronation, manus shape and quadrupedalism in sauropod dinosaurs. Spec. Papers Palaeontol. 77, 157-168.
5. Bordy, E. M., Hancox, P. J. & Rubidge, B. S. 2004 Basin development during the deposition of the Elliot Formation (Late Triassic-Early Jurassic), Karoo Supergroup, South Africa. S. Afr. J. Geol. 107, 395-410. (doi:10.2113/107.3.397)
6. Buffetaut, E., Suteethorn, V., Cuny, G., Tong, H., Le Loeuff, J., Khansubha, S. & Jongautchariyakul, S. 2000 The earliest known sauropod dinosaur. Nature 407, 72-74. (doi:10.1038/35024060)
7. Carrano, M. T. 2005 The evolution of sauropod locomotion: morphological diversity of a secondarily quadrupedal radiation. In The sauropods: evolution and paleobiology (eds K. A. Curry Rogers & J. A. Wilson), pp. 229-251. Berkeley, CA: University of California Press.
8. Chinsamy-Turan, A. 2005 The microstructure of dinosaur bone: deciphering biology with fine-scale techniques. Baltimore, MD: Johns Hopkins University Press.
9. Cooper, M. R. 1981 The prosauropod dinosaur Massospondylus carinatus Owen from Zimbabwe: its biology, mode of life and phylogenetic significance. Occas. Pap. Natl Mus. Rhodesia B 6, 689-840.
10. Cooper, M. R. 1984 A reassessment of Vulcanodon karibaensis Raath (Dinosauria: Saurischia) and the origin of the Sauropoda. Palaeontol. Afr. 25, 203-231.
11. Gatesy, S. M. 1990 Caudofemoral musculature and the evolution of theropod locomotion. Paleobiology 16, 170-186.
12. Horner, J. R., Padian, K. & de Ricqlès, A. 2001 Comparative osteohistology of some embryonic and perinatal archosaurs: developmental and behavioral implications for dinosaurs. Palaeobiology 27, 39-58. (doi:10.1666/0094-8373(2001)027〈0039:COOSEA〉2.0.CO;2)
13. Kutty, T S., Chatterjee, S., Galton, P. M. & Upchurch, P. 2007 Basal sauropodomorphs (Dinosauria: Saurischia) from the Lower Jurassic of India: their anatomy and relationships. J. Paleontol. 81, 1218-1240. (doi:10.1666/04-074.1)
14. Morhardt, A. C., Bonnan, M. F. & Keillor, T. 2009 Dinosaur smiles: correlating premaxilla, maxilla, and dentary foramina counts with extra-oral structures in amniotes and its implications for dinosaurs. J. Vert. Paleontol. 29(Suppl. 3), 152A (Abstract).
15. Pol, D. & Powell, J. E. 2007 New information on Lessemsaurus sauropoides (Dinosauria: Sauropodomorpha) from the Upper Triassic of Argentina. Spec. Papers Palaeontol. 77, 223-243.
16. Reisz, R. R., Scott, D., Sues, H.-D., Evans, D. C. & Raath, M. A. 2005 Embryos of an early prosauropod dinosaur and their evolutionary significance. Science 309, 761-764. (doi:10.1126/science.1114942)
17. Rohlf, J. F. 2005 Thin-plate splines program suite. (http://life.bio. sunysb.edu/morph/)
18. Upchurch, P. 1998 The phylogenetic relationships of sauropod dinosaurs. Zool. J. Linn. Soc. 124, 43-103. (doi:10.1111/j.1096-3642.1998.tb00569.x)
19. Upchurch, P. & Barrett, P. M. 2000 The evolution of sauropod feeding mechanisms. In The evolution of herbivory in terrestrial vertebrates: perspectives from the fossil record (ed. H.-D. Sues), pp. 79-122. Cambridge, UK: Cambridge University Press.
20. Upchurch, P., Barrett, P. M. & Dodson, P. 2004 Sauropoda. In The Dinosauria (eds D. B. Weishampel, P. Dodson & H. Osmólska), pp. 259-322, 2nd edn. Berkeley, CA: University of California Press.
21. Upchurch, P., Barrett, P. M. & Galton, P. M. 2007a A phylogenetic analysis of basal sauropodomorph relationships: implications for the origin of sauropod dinosaurs. Spec. Papers Palaeontol. 11, 57-90.
22. Upchurch, P., Barrett, P. M., Zhao, X. & Xu, X. 2007b A re-evaluation of Chinshakiangosaurus chunghoensis Ye vide Dong 1992 (Dinosauria, Sauropodomorpha): implications for cranial evolution in basal sauropod dinosaurs. Geol. Mag. 144, 247-262. (doi:10.1017/S0016756806003062)
23. Wilson, J. A. 2002 Sauropod dinosaur phylogeny: critique and cladistic analysis. Zool. J. Linn. Soc. 136, 217-276.
24. Wilson, J. A. & Sereno, P. C. 1998 Early evolution and higher-level phylogeny of sauropod dinosaurs. Mem. Soc. Vert. Paleontol. 5, 1-68. (doi:10.2307/3889325)
25. Yates, A. M. 2003 A new species of the primitive dinosaur Thecodontosaurus (Saurischia: Sauropodomorpha) and its implications for the systematics of early dinosaurs. J. Syst. Palaeontol. 1, 1-42. (doi:10.1017/S1477201903001007)
26. Yates, A. M. 2004 Anchisaurus polyzelus (Hitchcock): the smallest known sauropod dinosaur and the evolution of gigantism among sauropodomorph dinosaurs. Postilla 230, 1-58.
27. Yates, A. M. 2007 The first complete skull of the Triassic dinosaur Melanorosaurus Haughton (Sauropodomorpha: Anchisauria). Spec. Papers Palaeontol. 77, 9-55.
28. Yates, A. M. 2008 A second specimen of Blikanasaurus (Dinosauria: Sauropoda) and the biostratigraphy of the lower Elliot Formation. Palaeontol. Afr. 43, 39-43.
29. Yates, A. M. & Kitching, J. W. 2003 The earliest known sauropod dinosaur and the first steps towards sauropod locomotion. Proc. R. Soc. Lond. B 270, 1753-1758. (doi:10.1098/rspb.2003.2417)
30. Zelditch, M. L., Swiderski, D. L., Sheets, H. D. & Fink, W. L. 2004 Geometric morphometrics for biologists: a primer. New York, NY: Elsevier Academic Press.