Risultati di ricerca
2 giorni fa · Avebrevicauda. Pygostylia. † Omnivoropterygiformes. Avialae ("bird wings") is a clade containing the only living dinosaurs, the birds, and their ancestors. It is usually defined as all theropod dinosaurs more closely related to birds (Aves) than to deinonychosaurs, though alternative definitions are occasionally used (see below).
8 mag 2024 · A study on changes of diversity of dinosaurs belonging to the families Ankylosauridae, Ceratopsidae, Hadrosauridae, Dromaeosauridae, Troodontidae and Tyrannosauridae during the Late Cretaceous is published by Condamine et al. (2021), who interpret their findings as indicative of a decline of non-avian dinosaur diversity during the ...
26 apr 2024 · By Evrim Yazgin. Fujianipus yingliangi fossil track. Credit: Anthony Romilio. Massive dinosaur fossil footprints have been found in southern China. They were left behind by a raptor which might be...
24 apr 2024 · Summary. The Longxiang tracksite (lower Upper Cretaceous, Shanghang Basin) includes twelve didactyl deinonychosaur tracks that fall into two morphologies, differentiated by both size and form. The smaller tracks (∼11 cm long) are referable to the ichnogenus Velociraptorichnus.
8 mag 2024 · Non-destructive micro-X-ray fluorescence (micro-XRF) imaging technology was utilized to analyze two paravian fossil specimens, one referrable to the Microraptorinae (Dromaeosauridae) and the other to the Yanornithidae (Avialae).
14 mag 2024 · Within this group, it is a member of the family Dromaeosauridae, known for their distinctive sickle-shaped claws and keen predatory instincts. Velociraptor mongoliensis is the type species for this genus and is named as a reference to its initial discovery in Mongolia. The Velociraptor thrived during the Late Cretaceous period.
