Predatory Dinosaur Remains from Madagascar: Implications for the Cretaceous Biogeography of Gondwana-Reference-Cited by-同舟云学术

Predatory Dinosaur Remains from Madagascar: Implications for the Cretaceous Biogeography of Gondwana

Published:1998-05-15 Issue:5366 Volume:280 Page:1048-1051
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Sampson Scott D.¹²³⁴⁵,Witmer Lawrence M.¹²³⁴⁵,Forster Catherine A.¹²³⁴⁵,Krause David W.¹²³⁴⁵,O'Connor Patrick M.¹²³⁴⁵,Dodson Peter¹²³⁴⁵,Ravoavy Florent¹²³⁴⁵

Affiliation:

1. S. D. Sampson, Department of Anatomy, New York College of Osteopathic Medicine of New York Institute of Technology, Old Westbury, NY 11568, USA.

2. L. M. Witmer, Department of Biomedical Sciences, College of Osteopathic Medicine, Ohio University, Athens, OH 45701, USA.

3. C. A. Forster, D. W. Krause, P. M. O'Connor, Department of Anatomical Sciences, State University of New York, Stony Brook, NY 11794, USA.

4. P. Dodson, Laboratories of Anatomy, Department of Animal Biology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.

5. F. Ravoavy, Université d'Antananarivo, Service de Paléontologie, Antananarivo (101), Madagascar.

Abstract

Recent discoveries of fossil vertebrates from the Late Cretaceous of Madagascar include several specimens of a large theropod dinosaur. One specimen includes a nearly complete and exquisitely preserved skull with thickened pneumatic nasals, a median frontal horn, and a dorsal projection on the parietals. The new materials are assigned to the enigmatic theropod group Abelisauridae on the basis of a number of unique features. Fossil remains attributable to abelisaurids are restricted to three Gondwanan landmasses: South America, Madagascar, and the Indian subcontinent. This distribution is consistent with a revised paleogeographic reconstruction that posits prolonged links between these landmasses (via Antarctica), perhaps until late in the Late Cretaceous.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference37 articles.

1. J. Le Loeuff, Cretaceous Res. 12, 93 (1991); Russell D., Can. J. Earth Sci. 30, 2002 (1993); J. Le Loeuff, in The Encyclopedia of Dinosaurs, P. J. Currie and K. Padian, Eds. (Academic Press, New York, 1997), pp. 51–56.

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3. L. Grande Paleobiology 11 234 (1985); K. C. Beard Bull. Carnegie Mus. Natl. Hist. 34 5 (1998); A. Hallam An Outline of Phanerozoic Biogeography (Oxford Univ. Press New York 1994).

4. Exact locality coordinates for the theropod specimens are on file in the Field Museum of Natural History (FMNH) Chicago and the Université d'Antananarivo (UA) Madagascar.

5. Depéret C., Bull. Soc. Geol. Fr.24, 176 (1896).

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