Mosasauria (Taxonomic Rank: Superfamily)
Extinct aquatic and semiaquatic squamate reptiles that lived during the Cretaceous period including, but limited to, the Mosasauroidea and Dolichosauridae.

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	Aigialosaurus Amphekepubis Amphorosteus Ancylocentrum Angolasaurus Baptosaurus Baseodon Batrachiosaurus Bentiabasaurus Brachysaurana Carinodens Carsosaurus Clidastes Dallasaurus Dolichosaurus Dollosaurus Ectenosaurus Edestosaurus Eidolosaurus Elliptonodon Eonatator Eremiasaurus Gavialimimus Globidens Gnathomortis Goronyosaurus Haasiasaurus Hainosaurus Halisaurus Harranasaurus Holcodus Holosaurus Igdamanosaurus Jormungandr Kaikaifilu Komensaurus Kourisodon Latoplatecarpus Leiodon Lesticodus Lestosaurus Megapterygius Mesoleptos Moanasaurus Mosasaurus Nectoportheus Oterognathus Pannoniasaurus Phosphorosaurus Platecarpus Plesioplatecarpus Plesiotylosaurus Plioplatecarpus Plotosaurus Pluridens Pontosaurus Portunatasaurus Proaigialosaurus Prognathodon Prognathosaurus Pterycollosaurus Rhamphosaurus Rikisaurus Romeosaurus Russellosaurus Sarabosaurus Saurochampsa Selmasaurus Sironectes Stelladens Taniwhasaurus Tethysaurus Thalassotitan Tylosaurus Vallecillosaurus Xenodens Yaguarasaurus

= Extinct Life Forms   = Living Organisms   = Imaginary Creatures   = Inanimate Objects   = Spiritual Entities    = At least one collectible is catalogued