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The origin of modern crocodyliforms: new evidence from the Cretaceous of Australia
- S. Salisbury, R. Molnar, E. Frey, P. Willis
- Geography, Environmental ScienceProceedings of the Royal Society B: Biological…
- 7 October 2006
The anatomical changes associated with the emergence of this taxon indicate a pivotal shift in the feeding and locomotor behaviour of crocodyliforms—a shift that may be linked to the subsequent rapid diversification of Eusuchia 20 Myr later during the Late Cretaceous and Early Tertiary.
IRRITATOR CHALLENGERI, A SPINOSAURID (DINOSAURIA: THEROPODA) FROM THE LOWER CRETACEOUS OF BRAZIL
Abstract The holotype of Irritator challengeri Martill et al., 1996 from the Romualdo Member of the Santana Formation (Lower Cretaceous) in northeastern Brazil represents the most complete skull of a…
A biomechanical transformation model for the evolution of semi-spheroidal articulations between adjoining vertebral bodies in crocodilians
Procoelous vertebrae are also known to occur in a some Cretaceous mesosuchians, namely Bernissartia fagesii, Gilchristosuchus palatinus and at least two species of atoposaurids.
On the osteology of Tapejara wellnhoferi KELLNER 1989 and the first occurrence of a multiple specimen assemblage from the Santana Formation, Araripe Basin, NE-Brazil
The partial preservation of the endocranial cavity allows for a reconstruction of the tapejarid brain, where despite a small orbit with respect to skull size, the presence of large flocculi and ocular lobes indicate that Tapejara possessed both excellent balancing and visual systems as a consequence of its aerial lifestyle.
New specimens of Pterosauria (Reptilia) with soft parts with implications for pterosaurian anatomy and locomotion
- E. Frey, H. Tischlinger, M. Buchy, D. Martill
- GeographyGeological Society, London, Special Publications
Abstract New specimens of pterosaurs with soft-part preservation from the Solnhofen Lithographic Limestone (S Germany) and the Crato Formation (northeastern Brazil) yield hitherto unknown and…
A reappraisal of Arambourgiania (Pterosauria, Pterodactyloidea): One of the world's largest flying animals
The oldest azhdarchoid pterosaur from the Late Jurassic Solnhofen Limestone (Early Tithonian) of Southern Germany
Based on an almost complete three-dimensionally preserved skeleton, a new genus and species of an azhdarchoid pterosaur Aurorazhdarcho primordius n.gen. n.sp. from the Late Jurassic Solnhofen…
A new lithographic limestone deposit in the Upper Cretaceous Austin Group at El Rosario, county of Múzquiz, Coahuila, northeastern Mexico
At El Rosario, 170 km WNW of Muzquiz in northern Coahuila, Mexico, alternating evenly layered platy limestone and fi ssile marly limestone of late Turonian-early Coniacian age (Late Cretaceous)…
New Interpretation of the Palate of Pterosaurs
- A. Ősi, E. Prondvai, E. Frey, B. Pohl
- Geography, Environmental ScienceAnatomical record
- 1 February 2010
It is indicated that in basal pterosaurs the pterygo–ectopterygoid fenestra existed caudal to the suborbital fenESTra, which became confluent with the adductor chamber in pterodactyloids thereby increasing the relative size of the adduction chamber and hence the mass of the jaw adductors.
Pneumaticity and soft-tissue reconstructions in the neck of diplodocid and dicraeosaurid sauropods
Comparisons between the vertebrae of juvenile and adult diplodocids strongly indicate that pneumatisation proceeded from the supramedullary diverticula into the neural arch and the neural spine, and the regular branching pattern of the pneumatic cavities as well as the vertical I−beam construc− tion of the vertebral corpora is interpreted as a consequence of the biomechanical constraints of the spine.