Results 31 to 40 of about 424 (121)

Bone histology in Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia)--variation, growth, and implications. [PDF]

open access: yesPLoS ONE, 2012
BackgroundDysalotosaurus lettowvorbecki is a small ornithopod dinosaur known from thousands of bones and several ontogenetic stages. It was found in a single locality within the Tendaguru Formation of southeastern Tanzania, possibly representing a single
Tom R Hübner
doaj   +1 more source

Asociacion faunistica de vertebrados mesozoicos de la localidad de Galve (Teruel)

open access: yesEstudios Geologicos, 2002
Los sedimentos del Tithónico-Barremiense de la Cuenca Ibérica aflorantes en los alrededores de la localidad de Galve (Teniel), son particularmente ricos en restos de vertebrados mesozoicos.
B. Sánchez Hemández
doaj   +1 more source

Dental microwear reveals mammal-like chewing in the neoceratopsian dinosaur Leptoceratops gracilis [PDF]

open access: yesPeerJ, 2016
Extensive oral processing of food through dental occlusion and orbital mandibular movement is often cited as a uniquely mammalian trait that contributed to their evolutionary success.
Frank J. Varriale
doaj   +2 more sources

The Rhabdodontidae (Dinosauria, Ornithischia), an enigmatic dinosaur group endemic to the Late Cretaceous European Archipelago [PDF]

open access: yesFossil Record, 2023
The Rhabdodontidae was one of the most important dinosaur groups inhabiting the Late Cretaceous European Archipelago. Currently, the clade comprises nine species within six genera, which have been found in southern France, northern Spain, eastern Austria,
Felix J. Augustin   +2 more
doaj   +3 more sources

Appendicular skeleton of Protoceratops andrewsi (Dinosauria, Ornithischia): comparative morphology, ontogenetic changes, and the implications for non-ceratopsid ceratopsian locomotion [PDF]

open access: yesPeerJ, 2019
Protoceratops andrewsi is a well-known ceratopsian dinosaur from the Djadokhta Formation (Upper Cretaceous, Mongolia). Since the 1920s, numerous skeletons of different ontogenetic stages from hatchlings to adults, including fully articulated specimens ...
Justyna Słowiak   +2 more
doaj   +2 more sources

The vertebrate fauna from the stipite layers of the Grands Causses (Middle Jurassic, France)

open access: yesFrontiers in Ecology and Evolution, 2014
The stipites are Bathonian (Middle Jurassic) coals that formed in an everglades-like environment and are now exposed in the Grands Causses (southern France).
Fabien eKnoll   +3 more
doaj   +1 more source

Integumentary structure and composition in an exceptionally well-preserved hadrosaur (Dinosauria: Ornithischia) [PDF]

open access: yesPeerJ, 2019
Preserved labile tissues (e.g., skin, muscle) in the fossil record of terrestrial vertebrates are increasingly becoming recognized as an important source of biological and taphonomic information.
Mauricio Barbi   +7 more
doaj   +2 more sources

Secondary cartilage revealed in a non-avian dinosaur embryo. [PDF]

open access: yesPLoS ONE, 2013
The skull and jaws of extant birds possess secondary cartilage, a tissue that arises after bone formation during embryonic development at articulations, ligamentous and muscular insertions.
Alida M Bailleul   +2 more
doaj   +1 more source

Digital preparation and osteology of the skull of Lesothosaurus diagnosticus (Ornithischia: Dinosauria) [PDF]

open access: yesPeerJ, 2015
Several skulls of the ornithischian dinosaur Lesothosaurus diagnosticus (Lower Jurassic, southern Africa) are known, but all are either incomplete, deformed, or incompletely prepared.
Laura B. Porro   +2 more
doaj   +2 more sources

Ornithopod diversity in the Griman Creek Formation (Cenomanian), New South Wales, Australia [PDF]

open access: yesPeerJ, 2018
During the Early Cretaceous, dinosaur communities of the Australian-Antarctic rift system (Eumeralla and Wonthaggi formations) cropping out in Victoria were apparently dominated by a diverse small-bodied ‘basal ornithopod’ fauna.
Phil R. Bell   +3 more
doaj   +2 more sources

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