The skeleton of “Spike” has also allowed for documenting the plumage distribution in oviraptorids: fossil impressions and phylogenetic comparisons indicate that Oviraptor was covered in feathers

Orcinus citoniensis may have hunted large fish and squid in packs

Although the available fossil material is fragmentary

con una longitud estimada de unos 3 metros

approximately 270 to 260 million years ago

Sinomegaceros pachyosteus Guanlong The skeleton of “Spike” hasMorphological description and paleoenvironmental considerations of Sinomegaceros pachyosteus (Artiodactyla, Cervidae) from the Pleistocene of China Sinomegaceros pachyosteus is an extinct species of giant deer in the genus Sinomegaceros , known for its spectacular antlers and large body size. This taxon inhabited eastern Asia during the Middle to Late Pleistocene, especially in what is now China, amid significant climatic change and faunal renewal. S.