Genus | Authors | Year | Status | Location | Notes |
Acteosaurus | Meyer | 1860 | Valid | Slovenia | More basal than the Mosasauridae, potentially a non-mosasaurid mosasauroid, though likely more basal.[1] Perhaps a dolichosaurid. |
Adriosaurus | Seeley | 1881 | Valid | Slovenia | More basal than the Mosasauridae, its position within Squamata is uncertain. |
Aigialosaurus | Kramberger | 1892 | Valid | Croatia | Non-mosasaurid mosasauroid, classified within the Aigialosauridae. |
Amphekepubis | Mehl | 1930 | Nomen dubium | Mexico | Possible junior synonym of Mosasaurus. |
Amphorosteus | Gibbs | 1851 | Nomen dubium | USA | Nomen dubium |
Ancylocentrum | Schmidt | 1927 | Jr. synonym | | Junior synonym of Prognathodon. |
Angolasaurus | Telles-Antunes | 1964 | Valid | Angola Niger USA Brazil | |
Baptosaurus | Marsh | 1870 | Jr. synonym | N/A | Junior synonym of Halisaurus. |
Baseodon | Leidy | 1865 | Jr. synonym | N/A | Junior synonym of Mosasaurus. |
Batrachiosaurus | Harlan | 1839 | Jr. synonym | N/A | Junior synonym of Mosasaurus. |
Bentiabasaurus | Polcyn Schulp Gonçalves | 2023 | Valid | Angola | |
Brachysaurana | Strand | 1928 | Jr. synonym | N/A | Junior synonym of Prognathodon. |
Brachysaurus | Williston | 1897 | Preoccupied | N/A | Preoccupied by a junior synonym of an iguanian lizard genus, Stenocercus;[2] referred to replacement names Brachysaurana and Ancylocentrum, of which Ancylocentrum has priority as such. |
Carinodens | Woodward | 1891 | Valid | Morocco Netherlands Ukraine Russia Belgium | |
Carsosaurus | Kornhuber | 1893 | Valid | Slovenia | |
Clidastes | Cope | 1868 | Valid | Russia Jordan Germany USA Sweden Mexico | |
Compressidens | Dollo | 1924 | Preoccupied | N/A | Preoccupied by a tusk shell; later renamed Carinodens. |
Dallasaurus | Polcyn Bell | 2005 | Valid | USA | |
Dolichosaurus | Owen | 1894 | Valid | UK | Non-mosasaurid mosasauroid. |
Dollosaurus | Yakovlev | 1901 | Disputed | Spain Sweden Russia | Possible junior synonym of Prognathodon. |
Ectenosaurus | Russell | 1967 | Valid | USA | |
Edestosaurus | Marsh | 1871 | Jr. synonym | | Junior synonym of Clidastes. |
Eidolosaurus | Nopcsa | 1923 | Valid | Slovenia | Potentially a non-mosasaurid mosasauroid, though has an uncertain phylogenetic placement. |
Elliptonodon | Emmons | 1858 | Jr. synonym | | Junior synonym of Tylosaurus. |
Eonatator | Bardet Pereda Suberbiola Iarochène Bouya Amaghzaz | 2005 | Valid | Colombia Sweden | |
Eremiasaurus[3] | Leblanc Caldwell Bardet | 2012 | Valid | Morocco | Type species is Eremiasaurus heterodontus. |
Gavialimimus[4] | Strong Caldwell Konishi Palci | 2020 | Valid | Morocco | |
Globidens | Gilmore | 1912 | Valid | USA Belgium Jordan Angola Syria Morocco Egypt Brazil Indonesia | |
Gnathomortis[5] | Lively | 2020 | Valid | USA | |
Goronyosaurus | Azzaroli de Guili Ficcarelli Torre | 1972 | Valid | Morocco | |
Haasiasaurus | Polcyn Tchernov Jacobs | 2003 | Valid | State of Palestine | |
Hainosaurus | Dollo | 1885 | Valid | Sweden Russia Poland USA France Belgium Spain | |
Halisaurus | Marsh | 1869 | Valid | Morocco Niger Jordan Peru DRC USA Belgium | Renamed Baptosaurus Marsh, 1870 when Marsh thought the name was preoccupied by a fish: Halosaurus. Modern rules allow the original. |
Harranasaurus[6] | Kaddumi | 2009 | Valid | Jordan | |
Holcodus | Gibbs | 1851 | Jr. synonym | | Junior synonym of Platecarpus. |
Holosaurus | Marsh | 1880 | Preoccupied | | Referred to Platecarpus. |
Hydrosaurus | Kornhuber | 1873 | Preoccupied | | Preoccupied by an agamid lizard; renamed Pontosaurus. |
Igdamanosaurus | Zdansky | 1935 | Valid | Niger Egypt Morocco | |
Jormungandr | Zietlow Boyd Van Vranken | 2023 | Valid | USA | |
Kaikaifilu | Otero Soto-Acuña Rubilar-Rogers Gutstein | 2016 | Valid | Antarctica | |
Khinjaria[7] | Longrich Polcyn Jalil Pereda-Superbiola Bardet | 2024 | In press | Morocco | |
Kolposaurus | Camp | 1942 | Preoccupied | | Preoccupied by a junior synonym of Nothosaurus,[8] referred to Plotosaurus |
Komensaurus | Caldwell Palci | 2007 | Valid | Slovenia | |
Kourisodon | Nicholls Meckert | 2002 | Valid | Japan Canada | |
Lakumasaurus | Novas Fernandez Gasparini de Lirio Mumez Puerta | 2002 | Jr. synonym | | Junior synonym of Taniwhasaurus. |
Latoplatecarpus[9] | Konishi Caldwell | 2011 | Valid | Canada | Type species is Latoplatecarpus willistoni. A second species is Latoplatecarpus nichollsae originally described in genus Plioplatecarpus.[10] |
Leiodon | Owen | 1841 | Preoccupied | Spain Ukraine UK | Preoccupied by a fish, referred to Liodon. |
Lesticodus | Leidy | 1861 | Jr. synonym | | Junior synonym of Mosasaurus. |
Lestosaurus | Marsh | 1872 | Jr. synonym | | Junior synonym of Platecarpus. |
Liodon | Agassiz | 1846 | Nomen dubium | USA Germany New Zealand Angola | Dubious genus due to the fragmentary nature of the type specimen and the type species L. anceps. All species referred to it likely do not belong to the same genus. |
Macrosaurus | Owen | 1849 | Jr. synonym | | Junior synonym of Halisaurus. |
Megapterygius[11] | Konishi Ohara Misaki Matsuoka Street Caldwell | 2023 | Valid | Japan | |
Mesoleptos | Cornalia | 1851 | Valid | Croatia Slovenia State of Palestine | More basal than the Mosasauridae, its position within Squamata is uncertain. |
Moanasaurus | Wiffen | 1980 | Valid | | |
Mosasaurus | Conybeare | 1822 | Valid | UK Bulgaria Canada New Zealand Netherlands Turkey Poland Angola USA DRC Russia South Africa Sweden Poland Syria Spain Japan Denmark Belgium Niger Italy Jordan Morocco | |
Nectoportheus | Cope | 1868 | Jr. synonym | | Junior synonym of Mosasaurus. |
Opetiosaurus | Kornhuber | 1901 | Disputed | | Possible junior synonym of Aigialosaurus. |
Oterognathus | Dollo | 1889 | Jr. synonym | | Junior synonym of Plioplatecarpus. |
Pannoniasaurus | Makádi Caldwell Ősi | 2012 | Valid | | |
Phosphorosaurus | Dollo | 1889 | Valid | Angola | |
Platecarpus | Cope | 1869 | Valid | USA Angola Russia Syria Egypt Sweden Morocco Jordan Canada Brazil Spain Niger Australia | |
Plesioplatecarpus[9] | Konishi Caldwell | 2011 | Valid | | Type species is Plesioplatecarpus planifrons, originally described in genus Clidastes, and later recombined in Platecarpus. |
Plesiotylosaurus | Camp | 1942 | Valid | | |
Plioplatecarpus | Dollo | 1882 | Valid | USA | |
Plotosaurus | Camp | 1951 | Valid | USA | |
Pluridens | Lingham-Sollar | 1998 | Valid | Niger | |
Pontosaurus | Kornhuber | 1873 | Valid | Croatia Lebanon | Potentially a non-mosasaurid mosasauroid, though has an uncertain phylogenetic placement. |
Portunatasaurus | Campbell Mekarski Japundžić Krizmanić Caldwell | 2019 | Valid | Croatia | Non-mosasaurid mosasauroid. |
Proaigialosaurus | Kuhn | 1958 | Valid | | Non-mosasaurid mosasauroid, classified within the Aigialosauridae. |
Prognathodon | Dollo | 1889 | Valid | Belgium USA Saudi Arabia Spain Israel Angola Italy New Zealand DRC Russia Canada Poland France Germany Netherlands Syria Jordan | Possibly paraphyletic. |
Prognathosaurus | Dollo | 1889 | Jr. synonym | | Junior synonym of Prognathodon. |
Pterycollosaurus | Dollo | 1882 | Jr. synonym | | Junior synonym of Mosasaurus. |
Rhamphosaurus | Cope | 1872 | Preoccupied | | Preoccupied by another lizard, referred to Tylosaurus. |
Rhinosaurus | Marsh | 1872 | Preoccupied | | Preoccupied,[12] referred to Tylosaurus. |
Rikisaurus[13] | Wiffen | 1990 | Jr. synonym | New Zealand | Junior synonym of Moanasaurus. |
Rikkisaurus | Bell Caldwell Holmes Wiffen McKee | 1999 | Lapsus calami | | Lapsus calami of Rikisaurus. |
Romeosaurus[14] | Palci Caldwell Papzzoni | 2013 | Valid | Italy | |
Russellosaurus[15] | Polson Bell | 2005 | Valid | USA | |
Sarabosaurus | Polcyn Bardet Albright Titus | 2023 | Valid | USA | |
Saurochampsa | Wagler | 1830 | Jr. synonym | | Junior synonym of Mosasaurus. |
Selmasaurus[16] | Wright Shannon | 1988 | Valid | USA | |
Sironectes | Cope | 1840 | Jr. synonym | | Junior synonym of Platecarpus. |
Stelladens | Longrich Jalil Pereda-Suberbiola Bardet | 2023 | Valid | Morocco | |
Taniwhasaurus | Hector | 1874 | Valid | Antarctica New Zealand Japan | |
Tethysaurus[17] | Bardet Superbiola Jalil | 2003 | Valid | Morocco | |
Thalassotitan | Longrich Jalil Khaldoune Yazami Pereda-Suberbiola Bardet | 2022 | Valid | Morocco | |
Tylosaurus | Marsh | 1872 | Valid | USA Canada Spain Jordan Mexico Sweden New Zealand | |
Vallecillosaurus[18] | Smith Buchy | 2008 | Valid | Mexico | More basal than the Mosasauridae, its position within Squamata is uncertain. |
Xenodens | Longrich Bardet Schulp Jalil | 2021 | Valid | Morocco | |
Yaguarasaurus | Paramo | 1994 | Valid | Colombia | |