Ontogeny in the tube-crested dinosaur Parasaurolophus (Hadrosauridae) and heterochrony in hadrosaurids [PDF]
, 2013 The tube-crested hadrosaurid dinosaur Parasaurolophus is remarkable for its unusual cranial ornamentation, but little is known about its growth and development, particularly relative to well-documented ontogenetic series for lambeosaurin hadrosaurids ...
Andrew A. Farke +4 more
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Redescription Of A Specimen Of Pentaceratops (Ornithischia: Ceratopsidae) And Phylogenetic Evaluation Of Five Referred Specimens From The Upper Cretaceous Of New Mexico [PDF]
, 2015 Pentaceratops sternbergi is a late Campanian ceratopsian predominately known from the San Juan Basin in New Mexico. Previous specimen descriptions and cladistic analyses are based on partial skulls and composite specimens, which places Pentaceratops as ...
Fry, Joshua J.
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The Canadian fossil record supports anagenesis in Triceratops (Ornithischia, Ceratopsia)
Canadian Journal of Earth SciencesEvolution of the ceratopsid dinosaur Triceratops has been hypothesized to have proceeded anagenetically, with the geologically older Triceratops horridus Marsh, 1889 having directly given rise to the younger Triceratops prorsus Marsh, 1890. This evolutionary scenario is based primarily on the upper Maastrichtian fossil record of the Hell Creek ...
Jordan C. Mallon +4 more
openaire +1 more source
Femoral histology and growth patterns of the ceratopsian dinosaur Psittacosaurus sibiricus from the Early Cretaceous of Western Siberia [PDF]
Acta Palaeontologica Polonica, 2021 PAVEL P. SKUTSCHAS +8 more
doaj
Comment on: Aquatic adaptation in the skull of carnivorous dinosaurs (Theropoda: Spinosauridae) and the evolution of aquatic habits in spinosaurids. 93: 275–284 [PDF]
, 2019 © 2019 In a recent paper, the contention that spinosaurine theropods were semi-aquatic was supported by Arden et al., (2019) and they provided a hypothetical sequence of acquisition of traits that had evolved in line with this lifestyle. However, we find
Holtz, TR, Hone, DWE
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, 2011 thesisRemains of a previously unknown horned dinosaur were recently recovered from the Upper Cretaceous (Campanian) Kaiparowits Formation of Grand Staircase-Escalante National Monument, southern Utah.
Lund, Eric Karl
core
A Re-Examination of Psittacosaurus Lujiatunensis Using Modern Techniques [PDF]
, 2015 Psittacosaurus is one of the most specimen-rich dinosaurs known, and the large number of specimens provides a unique opportunity to better understand dinosaurs at the specific level through quantitative statistical analyses as well as qualitative primary
Hedrick, Brandon Pershing
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Restudy of shoulder motion in the theropod dinosaur <i>Mononykus olecranus</i> (Alvarezsauridae). [PDF]
PeerJ, 2023 Senter PJ.
europepmc +1 more source