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: Middle Triassic-Late Triassic, 237–228 Ma
Skeleton of Endennasaurus acutirostris
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: †Thalattosauria
Superfamily: †Askeptosauroidea
Kuhn-Schnyder, 1971
Subtaxa

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

 
 

References
  1. Liu, J.; Rieppel, O. (2005). "Restudy of Anshunsaurus huangguoshuensis (Reptilia: Thalattosauria) from the Middle Triassic of Guizhou, China" (PDF). American Museum Novitates. 3488: 1–34. doi:10.1206/0003-0082(2005)488[0001:roahrt]2.0.co;2. ISSN 0003-0082.
  2. Wu, X.-C.; Cheng, Y.-N.; Sato, T.; Shan, H.-Y. (2009). "Miodentosaurus brevis Cheng et al., 2007 (Diapsida: Thalattosauria): its postcranial skeleton and phylogenetic relationships" (PDF). Vertebrata PalAsiatica. 47 (1): 1–20. Archived from the original (PDF) on 2011-11-22. Retrieved 2011-04-23.


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