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Postosuchus, a New Thecodontian Reptile from the Triassic of Texas and the Origin of Tyrannosaurs
- S. Chatterjee
- Geography, Environmental Science
- 16 April 1985
Although Postosuchus exhibits many carnosaurian traits, its ankle joint is of \`crocodile-normal' pattern, which suggests its pseudosuchian affinity, and Tyrannosaurs probably evolved from poposaurids, as indicated by the correlation between skull, pelvis and ankle structure.
The longest voyage: Tectonic, magmatic, and paleoclimatic evolution of the Indian plate during its northward flight from Gondwana to Asia
Cranial anatomy of Shunosaurus, a basal sauropod dinosaur from the Middle Jurassic of China
As Shunosaurus is the earliest sauropod for which cranial remains are known, it occupies an important position phylogenetically, showing the modification of skull morphology from the prosauropod condition.
New plesiosaurs from the Upper Cretaceous of Antarctica
- S. Chatterjee, B. Small
- Geography, Environmental ScienceGeological Society, London, Special Publications
Abstract New plesiosaur remains from the Upper Cretaceous Lopez de Bertodano Formation (late Campanian-Maastrichtian) of Seymour Island, Antarctic Peninsula include Cryptoclididae and Elasmosauridae.…
Dibothrosuchus elaphros, a crocodylomorph from the Lower Jurassic of China and the phylogeny of the Sphenosuchia
ABSTRACT Much of a skeleton of Dibothrosuchus elaphros from the Lower Lufeng Group (Lower Jurassic) of Yunnan, China permits a detailed review of the anatomy and relationships of sphenosuchian…
Neuroanatomy of flying reptiles and implications for flight, posture and behaviour
The brain and vestibular apparatus in two pterosaurs are compared based on high-resolution computed tomographic (CT) scans from which they were constructed digital endocasts to shed light on adaptation to an aerial lifestyle.
A rhynchosaur from the Upper Triassic Maleri Formation of India.
- S. Chatterjee
- Environmental Science, GeographyPhilosophical transactions of the Royal Society…
- 10 January 1974
Six associated rhynchosaur skeletons, recently discovered by the Geological Studies Unit of the Indian Statistical Institute in the Upper Triassic Maleri Formation, allow an almost complete…
Depositional setting and vertebrate biostratigraphy of the Triassic Dockum Group of Texas
Triassic strata of the Dockum Group in Texas comprise two major upward-fining alluvial-lacustrine depositional sequences. The two sequences are represented by the (1) Santa Rosa-Tecovas, and (2)…
The Titanosaur (Dinosauria: Sauropoda) Osteoderm Record: Review and First Definitive Specimen from India
A titanosaur osteoderm from the Maastrichtian of India is described that extends the geographic range of these armored sauropods and appears that armored titanosaurs are relatively diminutive in body size.
New dinosaur species from the Upper Triassic Upper Maleri and Lower Dharmaram formations of Central India
- F. Novas, M. Ezcurra, S. Chatterjee, T. S. Kutty
- Geography, Environmental ScienceEarth and Environmental Science Transactions of…
- 1 September 2010
ABSTRACT The beginning of dinosaur evolution is currently known based on a handful of highly informative Gondwanan outcrops of Ischigualastian age (late Carnian–early Norian). The richest Triassic…