Mosasaurs (from Latin Mosa meaning the 'Meuse', and Greek σαύρος sauros meaning 'lizard') are an extinct group of large aquatic reptiles within the family Mosasauridae that lived during the Late Cretaceous. Their first fossil remains were discovered in a limestone quarry at Maastricht on the Meuse in 1764.

As the type genus of the family Mosasauridae and the subfamily Mosasaurinae, Mosasaurus is a member of the order Squamata (which comprises lizards and snakes). Relationships between mosasaurs and living squamates remain controversial as scientists still fiercely debate on whether the closest living relatives of mosasaurs are monitor lizards or ...

mosasaur, (family Mosasauridae), extinct group of aquatic lizards that attained a high degree of adaptation to the marine environment and were distributed worldwide during the Cretaceous Period (145.5 million to 66 million years ago).

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.

Mosasaurs (from Latin Mosa meaning the 'Meuse river', and Greek σαύρος sauros meaning 'lizard') are an extinct group of large marine reptiles containing 38 genera in total. Their first fossil remains were discovered in a limestone quarry at Maastricht on the Meuse in 1764.

2024年5月27日 · There are dozens of genera in the Family Mosasauridae, and all these large marine reptiles are known as mosasaurs. The Mosasaurus hoffmannii is the type species of this genus, which means most of the biological description are based on it.

2021年4月20日 · Mosasaurus is one genus, or group of species, out of dozens that made up a diverse family of marine reptiles called mosasaurs. The mosasaurs ruled the ocean in the late Cretaceous period.

Family: Mosasauridae; Overview. Mosasaurs are only known from the Late Cretaceous. They were top predators of the Western Interior Seaway and evolved into a diversity of forms during their ~25 million years of existence. They ranged in size from less than 5 meters (16ft) (Clidastes) to 14 meters (45ft) (Tylosaurus). It is thought their rapid ...

Mosasaur is any of the various extinct, marine reptiles comprising the family Mosasauridae, which were the dominant predators of the Earth's oceans during the last 25 million years of the Cretaceous period.

2024年11月13日 · There are two main family groups of mosasaur that you must be familiar with.‭ ‬The first is the Mosasuroidea,‭ ‬which includes all mosasaurs,‭ ‬including the primitive ones like Dallasaurus and Komensaurus.‭ ‬The second group is the Mosasauridae,‭ ‬which includes all the advanced form mosasaurs that are defined by Mosasaurus ...