Results 71 to 80 of about 652 (199)

Pterodactyloid pterosaur bones from Cretaceous deposits of the Antarctic Peninsula [PDF]

Anais da Academia Brasileira de Ciências, 2019
Fossil vertebrates from Antarctica are considerably rare, hampering our understanding of the evolutionary history of the biota from that continent. For several austral summers, the PALEOANTAR project has been carrying out fieldwork in the Antarctic ...
ALEXANDER W.A. KELLNER, TAISSA RODRIGUES, FABIANA R. COSTA, LUIZ C. WEINSCHÜTZ, RODRIGO G. FIGUEIREDO, GEOVANE A. DE SOUZA, ARTHUR S. BRUM, LÚCIA H.S. ELEUTÉRIO, CARSTEN W. MUELLER, JULIANA M. SAYÃO   +9 more
doaj   +1 more source

The first pterosaur from the Bauru Group: an azhdarchid from the Upper Cretaceous of Brazil

Papers in Palaeontology, Volume 11, Issue 5, September/October 2025.
Abstract The vertebrate fossil record of the Bauru Group (Upper Cretaceous, southeastern Brazil) is remarkably rich, with a predominance of titanosaurs and crocodyliforms, alongside theropods, turtles, squamates, fishes and even small mammals. In contrast, pterosaur remains from the Bauru Group have remained elusive until now.
Ariovaldo A. Giaretta, Bruno A. Navarro, Thiago S. Marinho, R. Vargas Pêgas   +3 more
wiley   +1 more source

A reappraisal of azhdarchid pterosaur functional morphology and paleoecology [PDF]

, 2008
Azhdarchid pterosaurs were among the most widespread and successful of pterosaur clades, but their paleoecology remains controversial. Morphological features common to all azhdarchids include a long, shallow rostrum; elongate, cylindrical cervical ...
Witton, Mark, Naish, Darren, Naish Darren, Darren Naish, Mark P Witton, Witton Mark P., Witton, Mark Paul   +6 more
core   +1 more source

FIGURE 5 in Wing coloration patterns in the Early Jurassic dragonflies as potential indicator of increasing predation pressure from insectivorous reptiles

, 2022
FIGURE 5. Evolution patterns of pterosaurs vs. wing coloration in Odonata. A, Heterophlebia spp. wing coloration patterns. B, Percentage of aeschnidiid species with colored wing throughout time (?, uncertainties for Triassic period).
NEL, ANDRÉ, JOUAULT, CORENTIN, HENROTAY, MICHEL, TISCHLINGER, HELMUT   +3 more
core   +1 more source

Size, not phylogeny, explains the morphology of the endosseous labyrinth in the crown clade Crocodylia

Journal of Anatomy, Volume 246, Issue 4, Page 558-574, April 2025.
Here, we present the most complete dataset to date on the endosseous labyrinths of extant crocodylians. Using 3D geometric morphometrics, we show that allometry constitutes a major contributor of the shape variation of the crocodylian endosseous labyrinths and that the development of this structure is likely linked to the braincase conformation, in all
Yohan Pochat‐Cottilloux, Gwendal Perrichon, Lionel Hautier, Nicolas Rinder, Romain Amiot, Irena Raselli, Jérôme Adrien, Joël Lachambre, Vincent Fernandez, Jeremy E. Martin   +9 more
wiley   +1 more source

The shape, structure, function, and evolution of the pterosaurian uropatagium [PDF]

Anais da Academia Brasileira de Ciências
The wing membrane of pterosaurs is the earliest innovation in the evolution of vertebrate powered flight and led to pterosaurs dominating the Mesozoic skies.
DAVID W.E. HONE, EDINA PRONDVAI
doaj   +1 more source

Seazzadactylus venieri gen. et sp. nov., a new pterosaur (Diapsida: Pterosauria) from the Upper Triassic (Norian) of northeastern Italy

, 2021
A new non-monofenestratan pterosaur with multicusped dentition, Seazzadactylus venieri, is described from the Upper Triassic (middle-upper Norian) of the Carnian Prealps (northeastern Italy). The holotype of S. venieri preserves a complete mandibular and
Dalla Vecchia, Fabio
core  

The largest flying reptile from Gondwana: a new specimen of Tropeognathus cf. T. mesembrinusWellnhofer, 1987 (Pterodactyloidea, Anhangueridae) and other large pterosaurs from the Romualdo Formation, Lower Cretaceous, Brazil

Anais da Academia Brasileira de Ciências, 2013
A very large pterosaur (MN 6594-V) from the Romualdo Formation (Aptian/Albian), Santana Group, Araripe Basin, is described. The specimen is referred to Tropeognathus cf. T.
ALEXANDER W. A. KELLNER, DIOGENES A. CAMPOS, JULIANA M. SAYÃO, ANTÔNIO A.F. SARAIVA, TAISSA RODRIGUES, GUSTAVO OLIVEIRA, LILIAN A. CRUZ, FABIANA R. COSTA, HELDER P. SILVA, JENNYFER S. FERREIRA   +9 more
doaj   +1 more source

Cautionary tales on the use of proxies to estimate body size and form of extinct animals

Ecology and Evolution, Volume 14, Issue 9, September 2024.
Reconstructing the body size and form of extinct animals is of vital importance to our understanding of macroevolution and palaeontology. This is often done using anatomical proxies where extinct species are known only from fragmentary remains. However, there are many limitations influencing the selection of proxy taxa that are frequently overlooked ...
Joel H. Gayford, Russell K. Engelman, Phillip C. Sternes, Wayne M. Itano, Mohamad Bazzi, Alberto Collareta, Rodolfo Salas‐Gismondi, Kenshu Shimada   +7 more
wiley   +1 more source

A new cockroach (Blattodea, Rhipidoblattinidae) from the Toarcian (Lower Jurassic) of Alderton Hill, Gloucestershire, UK, and the earliest likely occurrence of aposematic colouration in cockroaches

Papers in Palaeontology, Volume 10, Issue 5, September/October 2024.
Abstract We describe the seventh valid species of cockroach, Alderblattina simmsi gen. et sp. nov., from insect‐rich strata recording the Toarcian Oceanic Anoxic Event (T‐OAE). The T‐OAE represents a period of extreme global warming and environmental change that drove palaeoecological pressures and evolutionary changes in marine and terrestrial ...
Emily J. Swaby, Angela L. Coe, Andrew J. Ross   +2 more
wiley   +1 more source