Genus |
Authors |
Year |
Status |
Age |
Location |
Notes |
Abyssosaurus[3] |
Berezin
|
2011 |
Valid. |
eK |
Europe |
|
Acostasaurus[4] |
Gómez-Pérez
Noè
|
2017 |
Valid. |
eK |
South America |
|
Albertonectes[5] |
Kubo
Mitchell
Henderson
|
2012 |
Valid. |
lK |
North America |
|
Alexandronectes |
Otero et al. |
2016 |
Valid. |
lK |
Australasia |
|
Alexeyisaurus |
Sennikov
Arkhangelsky |
2010 |
Valid. |
lT |
Europe |
|
"Alzadasaurus" |
Welles
|
1943 |
|
|
|
|
Anguanax[6] |
Cau
Fanti
|
2015 |
Valid. |
lJ |
Europe |
|
Anningasaura[7] |
Vincent
Benson
|
2012 |
Valid. |
eJ |
Europe |
|
Apatomerus |
Williston
|
1903 |
Valid. |
eK |
|
|
Aphrosaurus |
Welles
|
1943 |
Valid. |
lK |
|
|
"Apractocleidus" |
Smellie
|
1916 |
Jr. synonym |
|
|
Junior synonym of Cryptoclidus. |
Aptychodon |
Reuss
|
1855 |
Valid. |
lK |
|
|
Archaeonectrus |
Owen
|
1865 |
Valid. |
eJ |
Europe |
|
Arminisaurus |
Sachs
Kear
|
2018 |
Valid. |
eJ |
Europe |
|
Aristonectes |
Cabrera
|
1941 |
Valid. |
lK |
South America, Antarctica |
|
Attenborosaurus |
Bakker
|
1993 |
Valid. |
eJ |
Europe |
|
Atychodracon |
Smith
|
2015 |
Valid. |
|
Europe |
|
Avalonnectes[8] |
Benson
Evans
Druckenmiller
|
2012 |
Valid. |
eJ |
Europe |
|
Bathyspondylus |
Delair
|
1982 |
Valid. |
lJ |
|
|
Bishanopliosaurus |
Dong
|
1980 |
Valid. |
eJ |
|
|
Bobosaurus |
Dalla Vecchia
|
2006 |
Valid. |
lT |
|
|
Borealonectes |
Sato
Wu
|
1980 |
Valid. |
mJ |
|
|
Brachauchenius |
Williston
|
1903 |
Valid. |
eK to lK |
|
|
Brancasaurus |
Wegner
|
1914 |
Valid. |
eK |
|
|
Brimosaurus |
Leidy
|
1855 |
Valid. |
lK |
|
|
Callawayasaurus |
Carpenter
|
1999 |
Valid. |
eK |
|
|
Cardiocorax[9] |
Araújo
et al.
|
2015 |
Valid. |
lK |
Africa |
|
Ceraunosaurus |
Thurmond
|
1968 |
Jr. synonym |
|
|
Junior synonym of Trinacromerum. |
Cimoliasaurus |
Leidy
|
1851 |
Valid. |
lK |
|
|
Colymbosaurus |
Seeley
|
1874 |
Valid. |
lJ |
|
|
Crymocetus |
Cope
|
1869 |
Valid. |
eK |
|
|
Cryonectes[10] |
Vincent
Bardet
Mattioli
|
2013 |
Valid. |
eJ |
Europe |
|
Cryptoclidus |
Seeley
|
1892 |
Valid. |
mJ |
Europe |
|
Discosaurus |
Leidy
|
1851 |
Valid. |
|
|
|
Djupedalia[11] |
Knutsen
Druckenmiller
Hurum
|
2012 |
Valid. |
lJ |
Europe |
|
Dolichorhynchops |
Williston
|
1903 |
Valid. |
|
North America |
|
Dravidosaurus |
Yadagiri
Ayyasami
|
1979 |
Nomen dubium. |
|
|
|
Edgarosaurus |
Druckenmiller
|
2002 |
Valid. |
eK |
North America |
|
Elasmosaurus |
Cope
|
1868 |
Valid. |
|
North America
Asia |
|
Eoplesiosaurus[8] |
Benson
Evans
Druckenmiller
|
2012 |
Valid. |
eJ |
Europe |
|
Eopolycotylus[12] |
Albright
Gillette
Titus
|
2007 |
Valid. |
|
|
|
Eretmosaurus |
Seeley
|
1874 |
Valid. |
|
|
|
Eromangasaurus |
Kear
|
2005 |
Valid. |
|
|
|
Eurycleidus |
Andrews
|
1922 |
Valid. |
|
|
|
Eurysaurus |
Gaudry
|
1878 |
Valid. |
|
|
|
Fluvionectes |
Campbell
et al.
|
2021 |
Valid. |
lK |
North America |
|
Fresnosaurus |
Welles
|
1943 |
Valid. |
|
|
|
Futabasaurus |
Sato
Hasegawa
Manabe
|
2006 |
Valid. |
lK |
Asia |
Also a theropod nomen nudum ("Futabasaurus"). |
Gallardosaurus |
Gasparini
|
2009 |
Valid. |
|
|
|
"Georgia" |
Otschev
|
1976 |
Preoccupied. |
|
|
Preoccupied by a genus of mollusk, renamed Georgiasaurus. |
Georgiasaurus |
Otschev
|
1878 |
Valid. |
|
|
|
Goniosaurus |
Meyer
|
1860[citation needed] |
Valid. |
|
|
|
Gronausaurus[13] |
Hampe |
2013 |
Valid. |
eK |
Europe |
|
Hastanectes[14] |
Benson
et al.
|
2012 |
Valid. |
eK |
Europe |
|
Hauffiosaurus |
O'Keefe
|
2001 |
Valid. |
|
|
|
Hydralmosaurus |
Welles
|
1943 |
Valid. |
|
|
|
Hydrorion |
Grobmann
|
2006 |
Valid. |
|
|
|
Hydrotherosaurus |
Welles
|
1943 |
Valid. |
lK |
North America |
|
Ischyrodon |
von Meyer
|
1838 |
Jr. synonym |
|
|
Junior synonym of Liopleurodon. |
Jucha |
Fischer
et al. |
2020 |
Valid. |
eK |
Europe |
|
Kaiwhekea |
Cruickshank
Fordyce
|
2002 |
Valid. |
|
lJ |
Europe |
Kawanectes[15] |
O'Gorman
|
2016 |
Valid. |
lK |
South America |
|
Kimmerosaurus |
Brown
|
1981 |
Valid. |
|
|
|
Kronosaurus |
Longman
|
1924 |
Valid. |
|
Australia, South America |
|
Lagenanectes |
Sachs
Hornung
Kear
|
2017 |
Valid. |
eK |
Europe |
|
Leivanectes |
Páramo-Fonseca
O'Gorman
Gasparini
Padilla
Parra Ruge
|
2019 |
Valid. |
eK |
South America |
|
Leptocleidus |
Andrews
|
1922 |
Valid. |
eK |
Europe, Africa, Australia |
|
Leurospondylus |
Brown
|
1913 |
Valid. |
|
|
|
Libonectes |
Carpenter
|
1997 |
Valid. |
|
|
|
Lindwurmia |
Vincent
Storrs
|
2019 |
Valid. |
eJ |
Europe |
|
Liopleurodon |
Sauvage
|
1873 |
Valid. |
|
|
|
Luetkesaurus |
Kiprijanoff
|
1883 |
Valid. |
|
|
|
Luskhan |
Fischer
et al.
|
2017 |
Valid. |
eK |
Europe |
|
Lusonectes |
Smith
Araújo
Mateus |
2011 |
Valid. |
eJ |
Europe |
|
Macroplata |
Swinton
|
1930 |
Valid. |
eJ |
Europe |
|
Makhaira[16] |
Fischer
et al.
|
2015 |
Valid. |
eK |
|
|
Manemergus |
Buchy
Metayer
Frey
|
2005 |
Valid. |
|
|
|
Maresaurus |
Gasparini
|
1997 |
Valid. |
|
|
|
Marmornectes |
Ketchum
Benson |
2011 |
Valid. |
mJ |
Europe |
|
Mauisaurus |
Hector
|
1874 |
Valid. |
|
|
|
Mauriciosaurus |
Frey
et al.
|
2017 |
Valid. |
lK |
North America |
|
Megacephalosaurus[17] |
Schumacher
Carpenter
Everhart
|
2013 |
Valid. |
lK |
North America |
|
Megalneusaurus |
Knight
|
1898 |
Valid. |
|
|
|
Meyerasaurus |
Smith
Vincent |
2010 |
Valid. |
eJ |
Europe |
|
Microcleidus |
Watson
|
1911 |
Valid. |
eJ |
|
|
Morenosaurus |
Welles
|
1943 |
Valid. |
|
|
|
Morturneria |
Chatterjee
Creisler
|
1994 |
Jr. synonym |
|
|
Junior synonym of Aristonectes. |
Muraenosaurus |
Seeley
|
1874 |
Valid. |
mJ |
Europe |
|
Nakonanectes |
Serratos
Druckenmiller
Benson
|
2017 |
Valid. |
lK |
North America |
|
Nichollssaura[18] |
Druckenmiller
Russell
|
2009 |
Valid. |
eK |
North America |
|
"Nichollsia" |
Druckenmiller
Russell
|
2008 |
Preoccupied. |
|
|
Preoccupied by a genus of isopod, renamed Nichollssaura. |
Occitanosaurus |
Bardet
Fernandez
Garcia-Ramos
Superbiola
Pinuela
Ruiz-Omenaca
Vincent
|
2008 |
Valid. |
|
|
|
Ogmodirus |
Williston
Moodie
|
1917 |
Valid. |
|
|
|
Opallionectes |
Kear
|
2006 |
Valid. |
|
|
|
Ophthalmothule |
Roberts
et al. |
2020 |
Valid. |
lJ-eK |
Europe |
|
Orophosaurus |
Cope
|
1851 |
Valid. |
|
|
|
Pachycostasaurus |
Cruickshank
Martill
|
1996 |
Valid. |
|
|
|
Pahasapasaurus |
Schumacher
|
2007 |
Valid. |
|
|
|
"Palmula"[12] |
Albright
Gillette
Titus
|
2007 |
Preoccupied. |
|
|
Preoccupied by a genus of foraminifer, renamed Palmulasaurus. |
Palmulasaurus |
Albright
Gillete
Titus
|
2007 |
Valid. |
|
|
|
Pantosaurus |
Marsh
|
1893 |
Valid. |
|
|
|
Peloneustes |
Lydekker
|
1889 |
Valid. |
mJ |
Europe |
|
Peyerus |
Stromer
|
1935 |
Jr. synonym |
|
|
Junior synonym of Leptocleidus. |
Picrocleidus |
Andrews
|
1909 |
Jr. synonym |
|
|
Junior synonym of Muraenosaurus. |
Piptomerus |
Cope
|
1887 |
Valid. |
|
|
|
Piratosaurus |
Leidy
|
1865 |
Valid. |
|
|
|
Plesiopharos |
Puértolas-Pascual
et al.
|
2021 |
Valid. |
eJ |
Europe |
Plesiopleurodon |
Carpenter
|
1996 |
Valid. |
|
|
|
Plesiopterys |
O'Keefe
|
2004 |
Valid. |
|
|
|
Plesiosaurus |
Conybeare
|
1821 |
Valid. |
eJ |
Europe |
|
Pliosaurus |
Owen
|
1841 |
Valid. |
|
|
|
Polycotylus |
Cope
|
1869 |
Valid. |
|
|
|
Polyptychodon |
Owen
|
1841 |
Valid. |
|
|
|
Rhaeticosaurus[19] |
Wintrich et al.
|
2017 |
Valid. |
lT |
Europe |
|
Rhomaleosaurus |
Seeley
|
1871 |
Valid. |
eJ |
Europe |
|
Sachicasaurus |
Páramo-Fonseca
Benavides-Cabra
Gutiérrez
|
2018 |
Valid. |
eK |
South America |
|
Scanisaurus |
Persson
|
1959 |
Valid. |
|
|
|
Seeleyosaurus |
White
|
1940 |
Valid. |
eJ |
Europe |
|
Simolestes |
Andrews
|
1909 |
Valid. |
|
|
|
Sinopliosaurus |
Young
|
1944 |
Valid. |
eK |
|
|
Spitrasaurus[20] |
Knutsen
Druckenmiller
Hurum
|
2012 |
Valid. |
lJ |
Europe |
|
Spondylosaurus |
Fisher
|
1845 |
Jr. synonym |
|
|
Junior synonym of Pliosaurus. |
Stratesaurus[8] |
Benson
Evans
Druckenmiller
|
2012 |
Valid. |
eJ |
Europe |
|
Sulcusuchus |
Gasparini
Spalletti
|
1992 |
Valid. |
lK |
South America |
|
Stenorhynchosaurus |
Páramo et al. |
2016 |
Valid. |
eK |
South America |
|
Stereosaurus |
Seeley
|
1869 |
Valid. |
|
|
|
Sthenarosaurus |
Watson
|
1911 |
Valid. |
eJ |
|
|
"Stretosaurus" |
Tarlo
|
1959 |
Invalid. |
|
|
Type specimen is undiagnostic and should be assigned to Thalassophonea indeterminate.[21][22] |
Strongylokrotaphus |
Novozhilov
|
1964 |
Jr. synonym |
|
|
Junior synonym of Pliosaurus. |
Styxosaurus |
Welles
|
1952 |
Valid. |
lK |
North America |
|
Taphrosaurus |
Cope
|
1870 |
Valid. |
lK |
|
"Tatenectes"[23] |
Knight
|
1900 |
Valid. |
|
|
|
Terminonatator |
Sato
|
2003 |
Valid. |
lK |
|
|
Thalassiodracon |
Storrs
Taylor
|
1996 |
Valid. |
lT-eJ |
Europe |
|
Thalassiosaurus |
Welles
|
1953 |
Jr. synonym |
|
|
Junior synonym of Styxosaurus. |
Thalassomedon |
Welles
|
1943 |
Valid. |
lK |
North America |
|
Thalassonomosaurus |
Welles
|
1943 |
Jr. synonym |
|
|
Junior synonym of Styxosaurus. |
Thaumatodracon |
Smith
Araújo |
2017 |
Valid. |
lK |
Europe |
|
"Thaumatosaurus" |
Meyer
|
1841 |
Invalid. |
|
|
Holotype is not diagnostic and can be referred to Pliosauroidea indet at best. |
Thililua |
Bardet
Suberbiola
Jalil
|
2003 |
Valid. |
lK |
|
|
"Tremamesacleis" |
White
|
1940 |
Jr. synonym |
|
|
Junior synonym of Muraenosaurus. |
Tricleidus |
Andrews
|
1909 |
Valid. |
|
|
|
Trinacromerum |
Cragin
|
1888 |
Valid. |
lK |
North America |
|
Tuarangisaurus |
Wiffen
Moisley
|
1986 |
Valid. |
lK |
|
|
"Turneria" |
Chatterjee
Small
|
1989 |
Preoccupied. |
|
|
Preoccupied by a genus of ant, renamed Morturneria which is now recognised as a junior synonym of Aristonectes. |
Umoonasaurus |
Kear
Schroeder
Lee
|
2006 |
Valid. |
eK |
Australia |
|
Uronautes[24] |
Cope
|
1870 |
Valid. |
lK |
|
|
Vectocleidus[14] |
Benson
et al.
|
2012 |
Valid. |
eK |
Europe |
|
Vegasaurus[25] |
O'Gorman
Salgado
Olivero
Marenssi
|
2015 |
Valid. |
lK |
Antarctica |
|
Vinialesaurus[26] |
Gasparini
Bardet
Vinent
Iturralde
|
2002 |
Valid. |
lJ |
|
|
Westphaliasaurus |
Schwermann
Sander |
2011 |
Valid. |
eJ |
Europe |
|
Woolungasaurus |
Persson
|
1960 |
Valid. |
eK |
|
|
Wunyelfia |
Otero
Soto-Acuña
|
2020 |
Valid. |
lK |
South America |
|
Yuzhoupliosaurus[27] |
Zhang
|
1985 |
Valid. |
mJ[27] |
|
|
"Zahrisaurus" |
Malkani |
2019 |
Dubious. |
lK |
Asia |
|
Zarafasaura |
Vincent
Pereda-Suberbiola
Bouya
Amaghzaz
Meslouh |
2011 |
Valid. |
lK |
Africa |
|