areDiplodocoidea
Diplodocoidea is a clade of sauropod dinosaurs within Sauropoda. It includes the two primary families Diplodocidae and Dicraeosauridae, and in some classifications also accommodates Rebbachisauridae as a member of the group. Diplodocoids are known from several continents and are most well documented in the Middle to Late Jurassic, with continued representation in some lineages into the Early Cretaceous in Gondwanan regions, indicating a broad geographic and temporal distribution during the Jurassic and early Cretaceous.
In terms of anatomy, diplodocoids display a range of skull and neck proportions, but many members are
Notable genera attributed to Diplodocoidea include Diplodocus, Barosaurus, and Apatosaurus from the diplodocid lineage, as well