†unranked clade Eusauropterygia Tschanz 1989
Parent taxon: Sauropterygia according to T. M. Scheyer et al. 2019
See also Hinz et al. 2019, Rieppel 1994, Rieppel 1996, Rieppel 2000 and Storrs 1997
Sister taxa: Atopodentatus, Cercidopleura, Dicranopleura, Eosauropterygia, Ischyrosaurus, Microleptosaurus, Nanchangosauroidea, Nothosauria, Nothosauriformes, Pistosauria, Placodontia, Placodontiformes, Plesiosauria, Simosauria
Subtaxa: none
Distribution: