|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Sauropterygia
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.
|F. R. O'Keefe 2001||"Relative skull length short; anterior border of pineal foramen formed by frontal; long lateral and short medial posterior processes of squamosal; jugal confined to posterior orbit margin; supraoccipital deep with sigmoid ventral sutures; ectopterygoid contacts postorbital bar out of palate plane; distinct change in angle of cervical zygopophyses; anterior processes of scapula meet in median symphysis; longitudinal pectoral bar present, formed by coracoid and scapula; humerus not angled."|