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Mosasauroidea is a superfamily of extinct marine lizards that existed during the Late Cretaceous.Basal members of this group consist of small semiaquatic forms with terrestrial limbs ("plesiopedal"), while laters members include larger fully aquatic paddle-limbed ("hydropedal") forms commonly known as mosasaurs. [3]
Fossils belonging to the group have been found in all continents around the world. Early mosasaurians like dolichosaurs were small long-bodied lizards that inhabited nearshore coastal and freshwater environments; the Late Cretaceous saw the rise of large marine forms, the mosasaurids , which are the clade's best-known members.
Kaikaifilu is an extinct genus of large mosasaurs that lived during the Maastrichtian stage of the Late Cretaceous, in what is now northern Antarctica.The only species known, K. hervei, was described in 2017 from an incomplete specimen discovered in the López de Bertodano Formation, in Seymour Island, Antarctic Peninsula.
Mosasaurus hoffmannii [44] Mosasaurus sp. [44] Plioplatecarpus sp. [44] Glauconie de Lonzée Formation [45] Santonian Belgium; Hainosaurus sp. [45] Gulpen Formation [46] Late Campanian - Maastrichtian Belgium The Netherlands; Mosasaurus sp. [46] Prognathodon solvayi [46] Prognathodon saturator [47] Grünsandstein Formation [48] Cenomanian ...
The Mosasaurinae are a subfamily of mosasaurs, a diverse group of Late Cretaceous marine squamates.Members of the subfamily are informally and collectively known as "mosasaurines" and their fossils have been recovered from every continent except for South America.
Bell proposed that the Mosasaurini should be abandoned and that all members of the tribe should be incorporated into the Plotosaurini. While other scientists agree that a tribe containing Mosasaurus should be monophyletic, they argue that Mosasaurini should be the valid tribe. For example, in a 2012 study, Aaron LeBlanc, Caldwell, and Bardet ...
Tylosaurus proriger mounted skeleton in the Rocky Mountain Dinosaur Resource Center in Woodland Park, Colorado. This list of mosasaurs is a comprehensive listing of all genera that have ever been included in the family Mosasauridae or the parent clade Mosasauroidea, excluding purely vernacular terms.
Mosasaurus hoffmannii, the largest known species reached up to 17 m (56 ft), [3] but it has been considered to be probably overestimated by Cleary et al. (2018). [4] Currently, the largest publicly exhibited mosasaur skeleton in the world is on display at the Canadian Fossil Discovery Centre in Morden, Manitoba.