Definition of Elasmosaurids. Meaning of Elasmosaurids. Synonyms of Elasmosaurids

- Elasmosauridae, often called elasmosaurs or elasmosaurids, is an extinct family of plesiosaurs that lived from the Hauterivian stage of the Early Cretaceous...
- 18th. The usual number of tail vertebrae in elasmosaurids is 30. Since the last tail-vertebrae of elasmosaurids were fused into a structure similar to the...
- It is one of the most recently known elasmosaurids to have lived in North America. Unlike other elasmosaurids, it has a relatively short neck. In November...
- range of 6.4–9.2 metres (21–30 ft). It can be distinguished from other elasmosaurids by the following characteristics: there is a long distance between the...
- an elasmosaurid (the remains of short-necked plesiosaurs are more common in comparable rocks in Canada). The remains of comparable elasmosaurids are...
- elongated heads with narrow snouts. During the Late Cretaceous, the elasmosaurids still had many species. All plesiosaurs became extinct as a result of...
- in other elasmosaurids. Along with the Elasmosaurinae, the Aristonectinae represents one of two recognized subfamilies within the elasmosaurids. In many...
- Plesiosauria) in the Cenomanian: Implications for relationships of elasmosaurids of the Western Interior Seaway". Journal of Systematic Palaeontology...
- plesiosaur, named by Welles in 1943. Thal****omedon is among the largest elasmosaurids, with the holotype measuring 10.86 metres (35.6 ft) long and weighing...
- Cretaceous plesiosaurs: non-aristonectine elasmosaurids (Kawanectes and Chubutinectes), aristonectine elasmosaurids (Aristonectes), and polycotylids (Sulcusuchus)...