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Prognathodon was first described by Louis Dollo in 1889 based on specimens gathered in Belgium.There is some confusion over the correct generic name for the taxon. Dollo first mentioned the taxon as "Prognathodon" in some preliminary notes and provided a provisional diagnosis, but replaced the name Prognathodon with "Prognathosaurus" and used Prognathosaurus in all of his subsequent papers ...
This is a list of stratigraphic units from which mosasaur body fossils have been recovered. Units listed are all either formation rank or higher (e.g. group). Units listed are all either formation rank or higher (e.g. group).
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.
Fishes are a paraphyletic group and for this reason, the class Pisces seen in older reference works is no longer used in formal taxonomy.Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified within those groups, sometimes as their own classes: [1]
The genus contains a single species, G. stadtmani, considered a species of the related Prognathodon up until its 2020 redescription. [2] It was a large mosasaur measuring 10.5 metres (34 ft) long. [3] Gnathomortis was originally named as a species of Prognathodon in 1999. [3]
The smaller genera, such as Platecarpus and Dallasaurus, which were about 1–6 m (3.3–19.7 ft) long, probably fed on fish and other small prey. The smaller mosasaurs may have spent some time in fresh water, hunting for food.
Mosasaurus (/ ˌ m oʊ z ə ˈ s ɔːr ə s /; "lizard of the Meuse River") is the type genus (defining example) of the mosasaurs, an extinct group of aquatic squamate reptiles.It lived from about 82 to 66 million years ago during the Campanian and Maastrichtian stages of the Late Cretaceous.
Thalassotitan ("titan of the seas") is an extinct genus of large mosasaurs (a group of extinct marine lizards) that lived during the late Maastrichtian of the Cretaceous period in what is now Morocco, around 67 to 66 million years ago.