Dicraeosaurids
Dicraeosauridae is a Family (biology), family of Diplodocoidea, diplodocoid sauropods who are the sister group to Diplodocidae. Dicraeosaurids are a part of the Flagellicaudata, along with Diplodocidae. Dicraeosauridae includes genera such as ''Amargasaurus'', ''Suuwassea'', ''Dicraeosaurus'', and ''Brachytrachelopan''. Specimens of this family have been found in North America, Asia, Africa, and South America. In 2023, a dicraeosaurid fossil was discovered in India for the first time. Their temporal range is from the Early Jurassic, Early or Middle Jurassic to the Early Cretaceous. Few dicraeosaurids survived into the Cretaceous, the youngest of which was ''Amargasaurus''. The group was first described by German paleontologist Werner Janensch in 1914 with the discovery of ''Dicraeosaurus'' in Tanzania. Dicraeosauridae are distinct from other sauropods because of their relatively short neck size and small body size. The clade is monophyletic and well-supported phylogenetically wi ...
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