Results 151 to 160 of about 2,200 (200)

Extremely rapid, yet noncatastrophic, preservation of the flattened-feathered and 3D dinosaurs of the Early Cretaceous of China. [PDF]

Proc Natl Acad Sci U S A
MacLennan SA, Sha J, Olsen PE, Kinney ST, Chang C, Fang Y, Liu J, Slibeck BB, Chen E, Schoene B.   +9 more
europepmc   +1 more source

A new herrerasaurian dinosaur from the Upper Triassic Upper Maleri Formation of south-central India. [PDF]

R Soc Open Sci
Ezcurra MD, Garcia MS, Novas FE, Müller RT, Agnolín FL, Chatterjee S.   +5 more
europepmc   +1 more source

Fossil eggshell diversity of the Mussentuchit Member, Cedar Mountain Formation, Utah. [PDF]

PLoS One
Hedge J, Tucker RT, Makovicky PJ, Zanno LE.   +3 more
europepmc   +1 more source

El origen de los dinosaurios (Dinosauria: Saurischia - Ornithischia)

, 2012
openaire   +1 more source

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Systematics and phylogeny of Stegosauria (Dinosauria: Ornithischia)

Journal of Systematic Palaeontology, 2008
Synopsis Stegosauria is a clade of ornithischian dinosaurs characterised by a bizarre array of dermal armour extending, in two parasagittal rows, from the cervical region to the end of the tail. Although Stegosaurus is one of the most familiar of all dinosaurs, little is known regarding the evolutionary history of this clade.
Paul M Barrett, Paul Upchurch
exaly   +2 more sources

Lesothosaurus, “Fabrosaurids,” and the early evolution of Ornithischia

Journal of Vertebrate Paleontology, 1991
ABSTRACT New materials of Lesothosaurus diagnosticus permit a detailed understanding of one of the earliest and most primitive ornithischians. Skull proportions and suturai relations can be discerned from several articulated and disarticulated skulls. The snout is proportionately long with a vascularized, horn-covered tip.
exaly   +2 more sources

Dental assessment of Stegoceras validum (Ornithischia: Pachycephalosauridae) and Thescelosaurus neglectus (Ornithischia: Thescelosauridae): paleoecological inferences

Cretaceous Research, 2022
Abstract Small herbivorous dinosaurs of the clades Pachycephalosauridae and Thescelosauridae occur in multiple Cretaceous formations in North America, their coexistence likely made possible by differences in feeding style. Fossils of these taxa are generally rare, but isolated pachycephalosaurid and thescelosaurid teeth are common at microfossil ...
Michael Naylor Hudgins, Philip J. Currie, Corwin Sullivan   +2 more
openaire   +1 more source

Ornithischia

2022
Ornithischia (Fig. 6: stem/branch 3) Definition adopted: The most inclusive clade that includes Iguanodon bernissartensis but neither Megalosaurus bucklandii nor Diplodocus carnegii (after Baron et al., 2017a). Characters in support: Horizontal or only gently arched premaxillary palate (Char.
Norman, David B, Baron, Matthew G, Garcia, Mauricio S, Müller, Rodrigo Temp   +3 more
openaire   +1 more source

Ornithischia Seeley 1888

2022
ORNITHISCHIA Seeley, 1888 DESCRIPTION With the exception of thyreophorans, the ornithischian dinosaurs of Angeac-Charente are mainly represented by isolated teeth. Most of these teeth show evidence of pre-burial transport and are either broken or eroded.
Allain, Ronan, Vullo, Romain, Rozada, Lee, Anquetin, Jérémy, Bourgeais, Renaud, Goedert, Jean, Lasseron, Maxime, Martin, Jeremy E., Pérez-García, Adán, Fabrègues, Claire Peyre De, Royo-Torres, Rafael, Augier, Dominique, Bailly, Gilles   +12 more
openaire   +1 more source

Ornithischia

2018
Ornithischians The J/K interval decline in subsampled diversity remains constant and recognisable throughout publication history, with this stability suggesting a real biological signal and not a publication artefact (Tennant, Mannion & Upchurch, 2016b).
Jonathan P. Tennant, Alfio Alessandro Chiarenza, Matthew Baron   +2 more
openaire   +2 more sources