Results 71 to 80 of about 352 (132)

The evolution of pelvic limb muscle moment arms in bird-line archosaurs. [PDF]

Sci Adv, 2021
Allen VR, Kilbourne BM, Hutchinson JR.
europepmc   +1 more source

Identifying medullary bone in extinct avemetatarsalians : challenges, implications and perspectives

, 2020
Medullary bone (MB) is a sex-specific tissue produced by female birds during the laying cycle, and it is hypothesized to have arisen within Avemetatarsalia, possibly outside Avialae.
Zanno, Lindsay, Schweitzer, Mary H., Canoville, Aurore   +2 more
core   +1 more source

The evolution of nest site use and nest architecture in modern birds and their ancestors. [PDF]

Philos Trans R Soc Lond B Biol Sci, 2023
Mainwaring MC, Medina I, Tobalske BW, Hartley IR, Varricchio DJ, Hauber ME.   +5 more
europepmc   +1 more source

Sternal elements of early dinosaurs fill a critical gap in the evolution of the sternum in Avemetatarsalia (Reptilia: Archosauria)

, 2020
The sternum is a functionally important but poorly understood component of the pectoral girdle in both living and extinct dinosaurs. When ossified, the dinosaur sternum consists of paired plates situated just posterior to the clavicles and ...
Alan H. Turner (8025893), Randall B. Irmis (8404806), Alexander B. Bradley (8404800), Sterling J. Nesbitt (7342976), Nathan D. Smith (239732), Sara H. Burch (8404803)   +5 more
core   +1 more source

Deep time diversity and the early radiations of birds. [PDF]

Proc Natl Acad Sci U S A, 2021
Yu Y, Zhang C, Xu X.
europepmc   +1 more source

Bird neurocranial and body mass evolution across the end-Cretaceous mass extinction: The avian brain shape left other dinosaurs behind. [PDF]

Sci Adv, 2021
Torres CR, Norell MA, Clarke JA.
europepmc   +1 more source

Nuevas aportaciones a la paleobiología de Balaur bondoc (Dinosauria, Theropoda) mediante morfometría geométrica

Existen grandes incógnitas alrededor del terópodo Balaur bondoc, desde su posición filogenética hasta cuestiones básicas de su paleobiología, como su dieta.
Navarro Feliú, Jose Vicente, Páramo Blázquez, Adrián   +1 more
core   +1 more source

Data from: A new specimen of large-bodied basal enantiornithine Bohaiornis from the early Cretaceous of China and the inference of feeding ecology in Mesozoic birds

, 2013
A new specimen of Bohaiornis guoi from the Jiufotang Formation, comprising a nearly complete skeleton, sheds light on enantiornithine morphological variation and ecological specialization.
Zhou, Zhonghe, Wang, Min, Clarke, Julia A., Li, Zhiheng   +3 more
core   +1 more source

The phylogenetic affinities and morphological peculiarities of the bird-like dinosaur Borogovia gracilicrus from the Upper Cretaceous of Mongolia. [PDF]

PeerJ, 2021
Cau A, Madzia D.
europepmc   +1 more source

Evolutionary and ontogenetic changes of the anatomical organization and modularity in the skull of archosaurs. [PDF]

Sci Rep, 2020
Lee HW, Esteve-Altava B, Abzhanov A.
europepmc   +1 more source