Results 11 to 20 of about 454 (161)

Skeletal completeness of the non-avian theropod dinosaur fossil record [PDF]

open access: yesPalaeontology, Volume 62, Issue 6, Page 951-981, November 2019., 2019
Non-avian theropods were a highly successful clade of bipedal, predominantly carnivorous, dinosaurs. Their diversity and macroevolutionary patterns have been the subject of many studies.
Benton M. J.   +20 more
core   +2 more sources

Review of the tetrapod skull-neck boundary: implications for the evolution of the atlas-axis complex. [PDF]

open access: yesBiol Rev Camb Philos Soc
ABSTRACT This review describes variation in modern and fossil occiput–atlas–axis complex anatomy of total group Tetrapoda with the aim of documenting the range of structural variation throughout their evolutionary history to establish grounds for comparison of the complex between tetrapod clades.
Korneisel DE, Maddin HC.
europepmc   +2 more sources

Re-evaluation of the Haarlem Archaeopteryx and the radiation of maniraptoran theropod dinosaurs. [PDF]

open access: yesBMC Evol Biol, 2017
Archaeopteryx is an iconic fossil that has long been pivotal for our understanding of the origin of birds. Remains of this important taxon have only been found in the Late Jurassic lithographic limestones of Bavaria, Germany.
Foth C, Rauhut OWM.
europepmc   +4 more sources

Mosaic evolution in an asymmetrically feathered troodontid dinosaur with transitional features. [PDF]

open access: yesNat Commun, 2017
Asymmetrical feathers have been associated with flight capability but are also found in species that do not fly, and their appearance was a major event in feather evolution.
Xu X   +7 more
europepmc   +4 more sources

A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany. [PDF]

open access: yesElife, 2019
The Late Jurassic 'Solnhofen Limestones' are famous for their exceptionally preserved fossils, including the urvogel Archaeopteryx, which has played a pivotal role in the discussion of bird origins.
Rauhut OW, Tischlinger H, Foth C.
europepmc   +5 more sources

Evolution of the vomer and its implications for cranial kinesis in Paraves [PDF]

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2019
Han Hu, Gabriele Sansalone, Stephen Wroe
exaly   +2 more sources

Iridescent plumage in a juvenile dromaeosaurid theropod dinosaur

open access: yesActa Palaeontologica Polonica, 2023
Colour reconstructions have provided new insights into the lives of dinosaurs and other extinct animals, by predicting colouration patterns from fossilised pigment-bearing organelles called melanosomes.
ANGUS D. CROUDACE   +4 more
doaj   +1 more source

The phylogenetic affinities of the bizarre Late Cretaceous Romanian theropod Balaur bondoc (Dinosauria, Maniraptora): dromaeosaurid or flightless bird? [PDF]

open access: yesPeerJ, 2015
The exceptionally well-preserved Romanian dinosaur Balaur bondoc is the most complete theropod known to date from the Upper Cretaceous of Europe. Previous studies of this remarkable taxon have included its phylogenetic interpretation as an aberrant ...
Andrea Cau, Tom Brougham, Darren Naish
doaj   +2 more sources

Postcranial skeletal anatomy of the holotype and referred specimens of Buitreraptor gonzalezorum Makovicky, Apesteguía and Agnolín 2005 (Theropoda, Dromaeosauridae), from the Late Cretaceous of Patagonia [PDF]

open access: yesPeerJ, 2018
Here we provide a detailed description of the postcranial skeleton of the holotype and referred specimens of Buitreraptor gonzalezorum. This taxon was recovered as an unenlagiine dromaeosaurid in several recent phylogenetic studies and is the best ...
Federico A. Gianechini   +3 more
doaj   +2 more sources

Could theropod dinosaurs have evolved to a human level of intelligence?

open access: yesJournal of Comparative Neurology, Volume 531, Issue 9, Page 975-1006, June 2023., 2023
Images showing models of the theropod dinosaur Troodon formosus and the dinosaur humanoid proposed by Russell and Seguin (1982). Noting that theropod dinosaurs such as troodon had large brains, large grasping hands, and likely binocular vision, Russell and Seguin suggested that a branch of these dinosaurs might have evolved to a human intelligence ...
Anton Reiner
wiley   +1 more source

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