Results 101 to 110 of about 4,665 (222)

An Unusual New Theropod with a Didactyl Manus from the Upper Cretaceous of Patagonia, Argentina.

PLoS ONE, 2016
BackgroundLate Cretaceous terrestrial strata of the Neuquén Basin, northern Patagonia, Argentina have yielded a rich fauna of dinosaurs and other vertebrates.
Sebastián Apesteguía, Nathan D Smith, Rubén Juárez Valieri, Peter J Makovicky   +3 more
doaj   +1 more source

Results of theropod specimen BMR P2002.4.1.

, 2013
A) Theropod bone sample prior to EDTA demineralization. Scale bar equals 5 cm. B) Partial demineralization of theropod sample, showing “etched” vessels released during demineralization. Scale bar equals 1 mm.
Melissa E. Lenczewski (361028), Reed P. Scherer (361030), Joseph E. Peterson (168022)   +2 more
core   +1 more source

An Antarctic cretaceous theropod [PDF]

, 1996
Fil: Brandoni de Gasparini, Zulma Nélida. División Paleontología Vertebrados. Facultad de Ciencias Naturales y Museo.
Molnar, R.E., López Angriman, Alejandro, Brandoni de Gasparini, Zulma Nélida   +2 more
openaire  

A detailed redescription of a skeletally immature ‘Redondasaurus’ suggests ontogenetic transformations in the taxon mirror phytosaurian morphological evolution

The Anatomical Record, Volume 309, Issue 10, Page 2656-2697, October 2026.
Abstract The study of morphological evolution is fundamentally tied to ontogeny, yet studies of these heterochronic processes in the fossil record are rare. Fossils belonging to an ontogenetic series are difficult to assign to an ontogenetic stage due to inconsistent proxies for skeletal ages, challenging to taxonomically assign due to morphological ...
Erika R. Goldsmith, Michelle R. Stocker
wiley   +1 more source

Morphometric graphs on nonavian theropod teeth

, 2014
Morphometric data on nonavian theropod ...
Mateus, Octávio, Christophe Hendrickx (530871), Octávio Mateus (530872), Hendrickx, Christophe   +3 more
core   +1 more source

LIDAR-based characterization and conservation of the first theropod dinosaur trackways from Arkansas, USA.

PLoS ONE, 2018
LIDAR-based analyses of the first theropod dinosaur trackways known from the state of Arkansas, USA are reported. The trackways were found on a limestone bedding plane in the Albian De Queen Formation in an active gypsum quarry.
Brian F Platt, Celina A Suarez, Stephen K Boss, Malcolm Williamson, Jackson Cothren, Jo Ann C Kvamme   +5 more
doaj   +1 more source

Skeletal pathologies in extant crocodilians as a window into the paleopathology of fossil archosaurs

The Anatomical Record, Volume 309, Issue 10, Page 2698-2724, October 2026.
Abstract Crocodilians, together with birds, are the only extant relatives to many extinct archosaur groups, making them highly important for interpreting paleopathological conditions in a phylogenetic disease bracketing model. Despite this, comprehensive data on osteopathologies in crocodilians remain scarce.
Alexis Cornille, Kyla Beguesse, Ewan Wolff, Clemens Zinner, Patrick Asbach, François Clarac, Florian Witzmann   +6 more
wiley   +1 more source

text-fig. 59. Consensus cladogram of theropod relationships, showing relationships between several theropod taxa common to all recent cladistic analyses. Possible phylogenetic positions of several important problematic taxa are also indicated. in The interrelationships and evolution of basal theropod dinosaurs

, 2003
text-fig. 59. Consensus cladogram of theropod relationships, showing relationships between several theropod taxa common to all recent cladistic analyses.
Rauhut, Oliver W. M.
core   +1 more source

The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica

The Anatomical Record, Volume 309, Issue 10, Page 2752-2789, October 2026.
Abstract The upper carbonate concretion levels of the Romualdo Formation (Aptian, Brazil) have yielded several theropod dinosaur remains, including spinosaurids and the coelurosaurs Santanaraptor placidus and Mirischia asymmetrica, the phylogenetic affinities of which are controversial.
Rafael Delcourt, Orlando Nelson Grillo, Christophe Hendrickx, Maximilian Kellermann, Max Cardoso Langer   +4 more
wiley   +1 more source

A king-sized theropod coprolite

, 1998
Karen Chin, Timothy T. Tokaryk, Gregory M. Erickson, Lewis C. Calk (1998): A king-sized theropod coprolite.
Karen Chin, Lewis C. Calk, Gregory M. Erickson, Timothy T. Tokaryk   +3 more
core   +1 more source