Results 101 to 110 of about 2,665 (231)

The phylogeny of basal archosaurs [PDF]

open access: yes, 1994
Archosaur systematics has received much attention from the mid 1970s and several influential works on this topic have emerged. As discrepancy exists among proposed phylogenies, some of the most important of the papers in question are assessed here ...
Juul, Lars
core  

The Titanosaur Sauropods from the late Campanian–early Maastrichtian Allen Formation of Salitral Moreno, Río Negro, Argentina [PDF]

open access: yes, 2013
The dinosaur record of the Salitral Moreno locality (Río Negro Province, Argentina) is characterized by a high diversity of herbivore taxa, among them hadrosaurs, ankylosaurs, and titanosaur sauropods, but carnivores are rare, consisting of only a few ...
Garcia, Rodolfo Andres   +1 more
core   +2 more sources

Postcranial remains of Fabrosauridae (Reptilia: Ornithischia) from the Stormberg of southern Africa [PDF]

open access: yes, 1984
The postcranial skeletons of three fabrosaurids from the upper Elliot Formation "Red Beds" of the Stormberg Group in southern Africa are described. The material demonstrates details of fabrosaurid anatomy previously unknown, particularly a short, deep ...
Santa Luca, A. P.
core  

Hypsilophodon foxii (Reptilia, Ornithischia) en el Cretácico inferior de Igea (La Rioja, España). [PDF]

open access: yesMunibe Ciencias Naturales, 1994
Se describen restos óseos del dinosaurio ornitópodo Hypsilophodon   foxii, pertenecientes a un único ejemplar hallado en sedimentos   rojos del Cretácico inferior (facies Weald) en la provincia de La   Rioja (N. de España).
TORRES, J.A., VIERA, Luis I.
doaj  

Mathematical Model of the Mechanics and Dynamics of the Tails in Dinosaurs [PDF]

open access: yes, 2005
In this paper, we investigate the effect of tails in the locomotion of dinosaurs. We begin with a survey of physical data for both bipedal and quadrupedal dinosaurs.
Bohun, C. Sean
core  

Preliminary observations on the bone histology of the Middle Triassic pseudosuchian archosaur Batrachotomus kupferzellensis reveal fast growth with laminar fibrolamellar bone tissue [PDF]

open access: yes, 2017
The bone tissue of femur, rib, and gastralia from three different individuals of the Middle Triassic pseudosuchian Batrachotomus kupferzellensis from southern Germany is studied.
Foth, Christian   +2 more
core   +1 more source

Late Cretaceous nodosaurids (Ankylosauria: Ornithischia) from Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2011
Restos de anquilosaurios nodosáuridos del Cretácico Superior de México son descritos aquí. Las muestras proceden de la Formación El Gallo de Baja California, de las formaciones Pen y Aguja del noroeste de Coahuila, y de la Formación Cerro del Pueblo, sureste de Coahuila, México.
Héctor E. Rivera-Sylva   +2 more
openaire   +2 more sources

OSTEOLOGY AND RELATIONSHIPS OF CUMNORIA PRESTWICHII (ORNITHISCHIA: ORNITHOPODA) FROM THE LATE JURASSIC OF OXFORDSHIRE, UK

open access: gold, 2023
Susannah C. R. Maidment   +4 more
openalex   +1 more source

Insights into iguanodontian dental architecture from an Early Cretaceous Chinese basal hadrosauriform maxilla (Ornithischia: Iguanodontia) [PDF]

open access: yes, 2015
Basal hadrosauriform iguanodontian dinosaurs have been invaluable towards understanding the evolution of the complex and highly efficient advanced hadrosauriform tooth battery dental system.
Ali, JR   +6 more
core   +2 more sources

First evidence of dinosaurian secondary cartilage in the post-hatching skull of Hypacrosaurus stebingeri (Dinosauria, Ornithischia).

open access: yesPLoS ONE, 2012
Bone and calcified cartilage can be fossilized and preserved for hundreds of millions of years. While primary cartilage is fairly well studied in extant and fossilized organisms, nothing is known about secondary cartilage in fossils.
Alida M Bailleul   +2 more
doaj   +1 more source

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