pachypleurosaur造句

• "Dianopachysaurus " is most closely related to " Keichousaurus ", another Chinese pachypleurosaur.
• It is usually classified as a nothosaur, but has also been considered a pachypleurosaur or a more primitive form of sauropterygian.
• ""'Keichousaurus " "'is a genus of marine reptile in the pachypleurosaur family which went extinct at the close of the Triassic in the Triassic-Jurassic extinction event.
• They are among the most common sauropterygian fossils recovered and are often found as nearly complete, articulated skeletons, making them popular among collectors . " Keichousaurus ", and the pachypleurosaur family broadly, are sometimes classified within Nothosauroidea, but are otherwise listed as a separate, more primitive lineage within Sauropterygia.