|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Sauropterygia - Keichousauridae
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.
|J. Liu et al. 2011||"Frontals in adult fused; posterior margin of quadrate straight; one or two enlarged teeth on maxilla present; ectepicondylar groove open without anterior notch; total number of carpal ossifications more than three."|