Results 51 to 60 of about 290 (106)

Anatomic revision and phylogenetic status of the family Ornithosuchidae (Archosauria: Pseudosuchia) from the Upper Triassic of Argentina and Scotland [PDF]

open access: yes, 2017
La presente tesis aborda un estudio anatómico, taxonómico y filogenético del clado Ornithosuchidae a fin de enriquecer el conocimiento del grupo y esclarecer las relaciones filogenéticas entre sus integrantes y con los demás grupos de arcosauriformes. En
von Baczko, María Belén
core  

Osteohistología de Archosauriformes triásicos sudamericanos (Reptilia: Eucrocopoda): implicancias paleobiológicas

open access: yes
Los arcosauriformes fueron los reptiles dominantes durante el Mesozoico. En los inicios de esta era, en el Período Triásico, los arcosauriformes radiaron en una gran variedad de formas, siendo Archosauria el grupo predominante.
Denis Alejandro Ponce
semanticscholar   +1 more source

Patterns and drivers of tetrapod diversity and biogeography in the late Palaeozoic and early Mesozoic [PDF]

open access: yes, 2020
Tetrapods (four-limbed vertebrates) invaded the land more than 370 million years ago and began to diversify into a spectacular range of morphologies and life modes, rapidly achieving a global distribution.
Dunne, Emma M.
core  

Aspectos biológicos da evolução das penas : uma revisão integrativa [PDF]

open access: yes
The tretapod teguments has undergone several modifications throughout the their evolution, which it includes living and extinct groups, and it is related to several adaptive advantages, as the case of feather, a morphological trait that is currently ...
da Conceição Galego, Luis Gustavo   +1 more
core   +2 more sources

The early origin of feathers [PDF]

open access: yes, 2019
Feathers have long been regarded as the innovation that drove the success of birds. However, feathers have been reported from close dinosaurian relatives of birds, and now from ornithischian dinosaurs and pterosaurs, the cousins of dinosaurs.
Benton, Michael J.   +3 more
core   +1 more source

Histological analysis and etiology of a pathological iguanodontian femur from England [PDF]

open access: yes
Derived ornithopods, such as hadrosaurids, show a high occurrence of fossilized lesions and diseases. However, paleopathologies in iguanodontians seem to be less common, considering the rich fossil record of these taxa in Europe, in particular in Belgium,
Bertozzo F.   +5 more
core   +1 more source

Pterosaur melanosomes support signalling functions for early feathers. [PDF]

open access: yesNature, 2022
Cincotta A   +10 more
europepmc   +1 more source

Triassic pterosaur precursors of Brazil: catalog, evolutionary context, and a new hypothesis for phylogenetic relationships of Pterosauromorpha [PDF]

open access: yes
Pterosaurs, remarkable for their extensive evolutionary history and role as the first vertebrates to achieve active flight, have long intrigued paleontologists and the public alike. Spanning over 150 million years and vanishing at the end of the Mesozoic
MAURÍCIO S. GARCIA, RODRIGO T. MÜLLER
core   +1 more source

Discovery of facultative parthenogenesis in a new world crocodile. [PDF]

open access: yesBiol Lett, 2023
Booth W   +6 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy