†superfamily Plesiosauroidea Welles 1943 (plesiosaur)

Reptilia - Plesiosauria

Synonym: Dolichodeira Seeley 1892

Parent taxon: Plesiosauria according to J. P. O'Gorman and R. A. Otero 2023

See also Antunes 1964, Bardet et al. 1991, Benson and Druckenmiller 2014, Benson et al. 2012, Brown 1981, Carpenter 1996, Carpenter 1999, Carroll 1988, Chatterjee and Small 1989, Clark et al. 2024, Cruickshank 1994, Cruickshank and Fordyce 2002, Delair 1960, Fostowicz-Frelik and Gazdzicki 2001, Frey et al. 2017, Gasparini et al. 2002, Gasparini and Goñi 1985, Gasparini and Salgado 2000, Gasparini et al. 2007, Gasparini and Spalletti 1993, Gasparini et al. 2015, Hiller and Mannering 2004, Hiller et al. 2005, Hiller and Mannering 2005, Hiller et al. 2014, Hiller et al. 2017, Ketchum and Benson 2010, Ketchum and Benson 2011, Kuhn 1966, Lazo and Cichowolski 2003, Mateus et al. 2012, O'Gorman 2012, O'Gorman 2015, O'Gorman 2016, O'Gorman 2016, O'Gorman 2016, O'Gorman 2019, O'Gorman 2020, O'Gorman 2021, O'Gorman 2022, O'Gorman et al. 2021, O'Gorman et al. 2023, O'Gorman and Coria 2017, O'Gorman et al. 2018, O'Gorman and Gasparini 2013, O'Gorman et al. 2013, O'Gorman et al. 2014, O'Gorman et al. 2015, O'Gorman et al. 2014, O'Gorman et al. 2017, O'Gorman et al. 2019, O'Gorman et al. 2021, O'Gorman et al. 2013, O'Gorman et al. 2015, O'Gorman et al. 2019, O'Gorman et al. 2016, O'Keefe 2001, O'Keefe 2008, Otero and O'Gorman 2013, Otero et al. 2015, Otero et al. 2015, Páramo-Fonseca et al. 2019, Persson 1963, Previtera and González Riga 2008, Roberts et al. 2020, Sachs et al. 2024, Schumacher and Everhart 2005, Schwermann and Sander 2011, Seeley 1892, Thurmond and Jones 1981, Vincent et al. 2019, Welles 1943, Welles 1962, Welles and Gregg 1971 and Wiffen and Moisley 1986

Sister taxa: Aptychodon, Aptychodon cretaceus, Bathyspondylus, Cimoliasaurus lissaensis, Cimoliasaurus teplicensis, Cimoliosaurus nazarowi, Discosaurus planior, Discosaurus vetustus, Elasmosaurus intermedius, Elasmosaurus orientalis, Embaphias, Embaphias circulosus, Eoplesiosaurus, Eretmosaurus, Gymocetus, Hexatarsostinus, Hunosaurus fasseli, Iserosaurus littoralis, Lindwurmia, Lutkesaurus, Mauisaurus brachiolatus, Megalneusaurus, Namuncurania, Neoplesiosauria, Nothosaurops, Oligosimus, Oligosimus grandaevus, Orophosaurus, Orophosaurus pauciporus, Peloneustes kanzleri, Piptomerus, Piptomerus hexagonus, Piptomerus megaloporus, Piptomerus microporus, Piratosaurus, Piratosaurus plicatus, Plesiosauriformes, Plesiosaurus affinis, Plesiosaurus australis, Plesiosaurus balticus, Plesiosaurus bernardi, Plesiosaurus brachistospondylus, Plesiosaurus brevifemur, Plesiosaurus brevis, Plesiosaurus continuus, Plesiosaurus cycnodeirus, Plesiosaurus degenhardti, Plesiosaurus ellipsospondylus, Plesiosaurus euryspondylus, Plesiosaurus gouldii, Plesiosaurus hexagonalis, Plesiosaurus infraplanus, Plesiosaurus latispinus, Plesiosaurus levis, Plesiosaurus lockwoodii, Plesiosaurus megapleuron, Plesiosaurus microdeirus, Plesiosaurus mudgei, Plesiosaurus neocomiensis, Plesiosaurus nordmanni, Plesiosaurus ophiodeirus, Plesiosaurus pachyomus, Plesiosaurus phillipsi, Plesiosaurus planispondylus, Plesiosaurus planus, Plesiosaurus planus trigonalis, Plesiosaurus platydeirus, Plesiosaurus poecilospondylus, Plesiosaurus shirleyensis, Plesiosaurus subdepressus, Plesiosaurus traversii, Plesiosaurus truncatus, Plesiosaurus validus, Plesiosaurus winspitensis, Pliosauroidea, Pliosaurus planus, Plistosauroidea, Polycotylus donicus, Polycotylus epigurgitis, Polycotylus orientalis, Polycotylus tenuis, Polycotylus ultimus, Polyptychodon, Polyptychodon neocomiensis, Rhaeticosaurus, Rhomaleosauridae, Scarrisaurus, Stereosaurus cratynotus, Stereosaurus platyomus, Stereosaurus stenomus, Stratesaurus, Sulmosaurus, Taphrosaurus, Teleosaurus neogaeus, Uronautes, Uronautes cetiformis, Xenopsaria, Zahrisaurus

Subtaxa: Cimoliosaurus limnophilus Cryptoclidia Cryptoclididae Elasmosauridae Euplesiosauria Franconiasaurus Leptocleidia Microcleididae Opallionectes Plesiopharos Plesiopterys Plesiosauridae Plesiosaurus Polycotylidae Sthenarosaurus Westphaliasaurus

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Type: Plesiosaurus

Ecology: aquatic carnivore

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