|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Sauropterygia
It was reranked as the suborder Pistosauria by Kuhn (1946); it was reranked as the superfamily Pistosauria by Rieppel (2000); it was reranked as the unranked clade Pistosauria by O'Keefe (2001).
It was assigned to Sauropterygia by Kuhn (1946); to Pistosauroidea by Rieppel (2000); to Sauropterygia by O'Keefe (2001); and to Sauropterygia by Rieppel et al. (2002).
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|O. Rieppel et al. 2002||Nasals absent; pineal foramen displaced anteriorly; jugal entering upper temporal arch behind maxilla; supraoccipital U-shaped; squamosals meeting behind parietal; squamosal forming box-like suspensorium; ventrally directed basioccipital tubera in complex articulation with pterygoids; anteromedial corner of upper temporal fossa closed off from orbit; braincase recessed deeply below parietal skull table; subcentral foramina present; ectepicondylar groove absent.|