Definition of Plesiosaurs. Meaning of Plesiosaurs. Synonyms of Plesiosaurs

- The Plesiosauria or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia. Plesiosaurs first appeared in...
- now plesiosaurs are recognized as highly derived marine reptiles descended from terrestrial ancestors. Early researchers thought that plesiosaurs laid...
- are no longer considered plesiosaurs. The list currently includes 208 genera. There is no official, canonical list of plesiosaur genera but one of the most...
- out except for the plesiosaurs. During the Early Jur****ic, these diversified quickly into both long-necked small-headed plesiosaurs proper, and short-necked...
- belong to the latter. Gastroliths are frequently found ****ociated with plesiosaurs. The first complete plesiosauroid skeletons were found in England by...
- of the claims of plesiosaurs, for example, as the marine environment and fauna changed drastically since the age of the plesiosaurs on earth." Another...
- depression in the centra of the neck vertebrae. Leptocleidus, unlike many plesiosaurs, lived in shallow lagoons and likely visited brackish and fresh water...
- was one of few plesiosaurs known from the New World at the time, and the first recognized member of the long-necked family of plesiosaurs, the Elasmosauridae...
- sirenians. It was present in many marine reptiles, such as ichthyosaurs and plesiosaurs. Lipid-rich, collagen fiber-laced blubber comprises the hypodermis and...
- samples were found for large animals such as catfish, Greenland sharks, or plesiosaurs. Many scientists now believe that giant eels account for many, if not...