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The genus Spinosaurus, from which the family, one of its subfamilies (Spinosaurinae) and tribes (Spinosaurini) borrow their names, is the longest known terrestrial predator from the fossil record, with an estimated length of up to 14 meters (46 ft) and body mass of up to 7.4 metric tons (8.2 short tons) (similar to the weight of an African ...
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Spinosaurus (/ ˌ s p aɪ n ə ˈ s ɔːr ə s /; lit. ' spine lizard ') is a genus of spinosaurid dinosaur that lived in what now is North Africa during the Cenomanian stage of the Late Cretaceous period, about 100 to 94 million years ago. The genus was known first from Egyptian remains discovered in 1912 and described by German ...
Articles related to the Spinosauridae, a clade or family of tetanuran theropod dinosaurs comprising ten to seventeen known genera. Spinosaurid fossils have been recovered worldwide, including Africa, Europe, South America and Asia. Their remains have generally been attributed to the Early to Mid Cretaceous. Spinosaurids were large bipedal ...
Baryonychinae is an extinct clade or subfamily of spinosaurids from the Early Cretaceous of Europe and West Africa.The clade was named by Charig & Milner in 1986 and defined by Sereno et al. in 1998 and Holtz et al. in 2004 as all taxa more closely related to Baryonyx walkeri than to Spinosaurus aegyptiacus.
English: A size comparison of various specimens of the theropod dinosaur genus Spinosaurus. References: Ibrahim, Nizar & Sereno, Paul & Dal Sasso, Cristiano & Maganuco, Simone & Fabbri, Matteo & Martill, David & Zouhri, Samir & Myhrvold, Nathan & Iurino, Dawid. (2014). Semiaquatic adaptations in a giant predatory dinosaur.
Irritator is further distinguished from Baryonyx, Suchomimus, and Cristatusaurus by having slightly over half as many teeth in the maxilla, and from Spinosaurus due to its comparatively larger and more forwardly positioned nostril openings, which, unlike in Spinosaurus, are also formed by the premaxilla.
Oxalaia (in reference to the African deity Oxalá) is a controversial genus of spinosaurid dinosaur that lived in what is now the Northeast Region of Brazil during the Cenomanian stage of the Late Cretaceous period, sometime between 100.5 and 93.9 million years ago.