Askeptosauroidea

Askeptosauroidea is a superfamily of thalattosaurs, a Triassic group of marine reptiles. Askeptosauroidea is one of two major subgroups of Thalattosauria, the other being Thalattosauroidea. It includes the family Askeptosauridae and a more basal form called Endennasaurus.^[1]

Askeptosauroidea Temporal range: Anisian-Norian, 247–212 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Skeleton of Endennasaurus acutirostris
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	†Thalattosauria
Superfamily:	†Askeptosauroidea Kuhn-Schnyder, 1971
Subtaxa
†Endennasaurus †Pachystropheus †Wayaosaurus †Askeptosauridae

Phylogeny

Below is a cladogram from Wu et al. (2009) showing the phylogenetic relationships of Askeptosauroidea:^[2]

Thalattosauria	Askeptosauroidea Endennasaurus Askeptosauridae Anshunsaurus Askeptosaurus Miodentosaurus Thalattosauroidea