Results 71 to 80 of about 495 (129)

A taxonomic assessment of the type series of Albertosaurus sarcophagus and the identity of Tyrannosauridae (Dinosauria, Coelurosauria) in the Albertosaurus bonebed from the Horseshoe Canyon Formation (Campanian–Maastrichtian, Late Cretaceous)This article is one of a series of papers published in this Special Issue on the theme Albertosaurus.

, 2010
The type series of Albertosaurus sarcophagus , consisting of a type (CMN 5600) and a paratype (CMN 5601) is inadequately established, since it has not been demonstrated that the specimens represent the same taxon.
Thomas D. Carr
core   +1 more source

Low dinosaur biodiversity in central China 2 million years prior to the end-Cretaceous mass extinction. [PDF]

Proc Natl Acad Sci U S A, 2022
Han F, Wang Q, Wang H, Zhu X, Zhou X, Wang Z, Fang K, Stidham TA, Wang W, Wang X, Li X, Qin H, Fan L, Wen C, Luo J, Pan Y, Deng C.   +16 more
europepmc   +1 more source

A longirostrine tyrannosauroid from the Early Cretaceous of China

, 2010
The fossil record of tyrannosauroid theropods is marked by a substantial temporal and morphological gap between small-bodied, Barremian taxa, and extremely large-bodied taxa from the latest Cretaceous. Here we describe a new tyrannosauroid, Xiongguanlong
Li, Daqing, Gao, Ke-Qin, Makovicky, Peter J., Norell, Mark A., Smith, Nathan D.   +4 more
core   +1 more source

Dinosaurs from the Santonian-Campanian Atlantic coastline substantiate phylogenetic signatures of vicariance in Cretaceous North America. [PDF]

R Soc Open Sci, 2021
Doran Brownstein C.
europepmc   +1 more source

First Report of Gout in an Ornithomimid (Dinosauria: Theropoda) from the Horseshoe Canyon Formation, Alberta

, 2014
A spherical lesion on a pedal phalanx of an ornithomimid from the Scollard Formation of Alberta is diagnosed as gout. Gout is recognized in the absence of urate crystals by the presence of periarticular spherical lesions and smooth perilesional bone ...
Rothschild, Bruce M, Tanke, Darren H, Bell, Phil   +2 more
core  

Cenomanian theropod teeth from Algora (central Spain), new evidence for majungasaurine abelisaurids in Europe. [PDF]

Sci Rep
López-Miguel M, Torices A, Malafaia E, Ortega F, Pérez-García A.   +4 more
europepmc   +1 more source

Enhancing the classification of isolated theropod teeth using machine learning: a comparative study. [PDF]

PeerJ
Marques CS, Dufourq E, Pereira S, Santos VF, Malafaia E.   +4 more
europepmc   +1 more source

Dinosaur biodiversity declined well before the asteroid impact, influenced by ecological and environmental pressures. [PDF]

Nat Commun, 2021
Condamine FL, Guinot G, Benton MJ, Currie PJ.   +3 more
europepmc   +1 more source

Dientes de terópodos del Cretácico Superior del Estado de Coahuila, México

, 2010
In Mexico, the theropods represents a poorly known group of dinosaurs, the scarce material had been referred only to family level. As a result of paleontological research carried on in the State of Coahuila, dental remains belonging to theropods were ...
Torres Rodriguez, Esperanza, Hernández Rivera, René, Benammi, Mouloud, Montellano Ballesteros, Marisol   +3 more
core  

The body temperature of <i>Tyrannosaurus rex</i>. [PDF]

Sci Adv
Flores RJ, Eagle RA, Trayler RB, Larocca Conte G, Kim SL, Chiarenza AA, Farnsworth A, Valdes PJ, Chiappe L, Tripati A.   +9 more
europepmc   +1 more source