Liodon
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Liodon is a dubious genus of mosasaur from the Late Cretaceous, known from fragmentary fossils discovered in St James' Pit, England. Though dubious and of uncertain phylogenetic affinities, Liodon was
A monograph on the fossil Reptilia of the Cretaceous formations
Moroccan mosasaur fossil erroneously assigned to Liodon anceps. Moroccan fossils classified as Liodon typically belong to Eremiasaurus or Thalassotitan.
Plioplatecarpus DB
Thalassotitan
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Thalassotitan is an extinct genus of large mosasaurs that lived during the late Maastrichtian of the Cretaceous period in what is now Morocco, around 67 to 66 million years ago. The only known species
Liodon
…accepted that the small teeth previously attributed to this taxon actually belong to Eremiasaurus heterodontus, while the larger ones likely belong to Thalassotitan. In 1993, Theagarten Lingam-Soliar argued that Liodon was a distinct genus and definable on account of its highly specialized teeth, which Lingham-Soliar…
Thalassotitan atrox skull
Juvenile skull with teeth shown
Prognathodon saturator
Israeli Prognathodon