Results 51 to 60 of about 287 (148)

Osteology of the basal hadrosauroid Eolambia caroljonesa (Dinosauria: Ornithopoda) from the Cedar Mountain Formation of Utah.

PLoS ONE, 2012
BackgroundEolambia caroljonesa is known from copious remains from the lower Cenomanian Mussentuchit Member of the Cedar Mountain Formation in eastern Utah; however, the taxon has been only briefly described.
Andrew T McDonald, John Bird, James I Kirkland, Peter Dodson   +3 more
doaj   +1 more source

How femoral morphology informs our understanding of the evolution of ornithopod locomotion and body size

Palaeontology, Volume 68, Issue 4, July/August 2025.
Abstract Ornithopoda is one of the three main ornithischian dinosaur clades in which secondary quadrupedality is represented. However, when it evolved from obligate bipedality remains controversial. Indeed, the ability to alternate between the two habits was inferred in some ornithopods based on ichnological observations and a mosaic of bipedal and ...
Romain Pintore, Alexandra Houssaye, John R. Hutchinson   +2 more
wiley   +1 more source

Connectivity in a Karst landscape: genetic diversity and population differentiation in the rare plant Bird's Foot sedge, Carex ornithopoda Willd.

Nordic Journal of Botany, Volume 2025, Issue 6, June 2025.
Within Britain the Karst landscape is predominantly upland and is characterised by high nature value grasslands which are home to many plant species of conservation interest. One such species is Carex ornithopoda (Bird's Foot sedge) which is found in a limited number of populations in these upland Karst regions.
Alex Gray, Jennifer Clayton-Brown, Paul Ashton   +2 more
wiley   +1 more source

Global phylogeny of Hadrosauridae (Dinosauria: Ornithopoda) using parsimony and Bayesian methods [PDF]

Zoological Journal of the Linnean Society, 2010
Prieto-Márquez, Albert (2010): Global phylogeny of Hadrosauridae (Dinosauria: Ornithopoda) using parsimony and Bayesian methods. Zoological Journal of the Linnean Society 159 (2): 435-502, DOI: 10.1111/j.1096-3642.2009.00617.x, URL: http://dx.doi.org/10.1111/j.1096-3642.2009.00617 ...
openaire   +4 more sources

First Reported Cases of Biomechanically Adaptive Bone Modeling in Non-Avian Dinosaurs.

PLoS ONE, 2015
Predator confrontation or predator evasion frequently produces bone fractures in potential prey in the wild. Although there are reports of healed bone injuries and pathologies in non-avian dinosaurs, no previously published instances of biomechanically ...
Jorge Cubo, Holly Woodward, Ewan Wolff, John R Horner   +3 more
doaj   +1 more source

A new semi‐fossorial thescelosaurine dinosaur from the Cenomanian‐age Mussentuchit Member of the Cedar Mountain Formation, Utah

The Anatomical Record, Volume 307, Issue 12, Page 3717-3781, December 2024.
Abstract Thescelosaurines are a group of early diverging, ornithischian dinosaurs notable for their conservative bauplans and mosaic of primitive features. Although abundant within the latest Cretaceous ecosystems of North America, their record is poor to absent in earlier assemblages, leaving a large gap in our understanding of their evolution ...
Haviv M. Avrahami, Peter J. Makovicky, Ryan T. Tucker, Lindsay E. Zanno   +3 more
wiley   +1 more source

A reappraisal of Notohypshilophodon comodorensis (Ornithischia: Ornithopoda) from the Late Cretaceous of Patagonia, Argentina.

Zootaxa, 2014
Fil: Martínez, Rubén D.. Universidad Nacional de la Patagonia.
Ibiricu, Lucio Manuel, Martínez, Rubén D., Luna, Marcelo, Casal, Gabriel A.   +3 more
openaire   +3 more sources

Delapparentia turolensis nov. gen et sp., un nuevo dinosaurio iguanodontoideo (Ornithischia: Ornithopoda) en el Cretácico Inferior de Galve

Estudios Geologicos, 2011
Se redescribe un esqueleto postcraneal de dinosaurio ornitópodo asignado por Albert de Lapparent en 1960 a Iguanodon bernissartensis. Procede del yacimiento de La Maca 3, de edad Barremiense inferior (Formación Camarillas), y consta de varias vértebras ...
J. I. Ruiz-Omeñaca
doaj   +1 more source

Patterns of variation in fleshy diaspore size and abundance from Late Triassic–Oligocene

Biological Reviews, Volume 99, Issue 2, Page 430-457, April 2024.
ABSTRACT Vertebrate‐mediated seed dispersal is a common attribute of many living plants, and variation in the size and abundance of fleshy diaspores is influenced by regional climate and by the nature of vertebrate seed dispersers among present‐day floras.
Duhita Naware, Roger Benson
wiley   +1 more source

A new basal hadrosauroid dinosaur (Dinosauria: Ornithopoda) with transitional features from the late cretaceous of Henan Province, China.

PLoS ONE, 2014
BackgroundSouthwestern Henan Province in central China contains many down-faulted basins, including the Xixia Basin where the Upper Cretaceous continental sediments are well exposed.
Hai Xing, Deyou Wang, Fenglu Han, Corwin Sullivan, Qingyu Ma, Yiming He, David W E Hone, Ronghao Yan, Fuming Du, Xing Xu   +9 more
doaj   +1 more source