Askeptosauroidea Explained

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]

Phylogeny

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

Notes and References

1. Liu . J. . Rieppel, O. . 2005 . Restudy of Anshunsaurus huangguoshuensis (Reptilia: Thalattosauria) from the Middle Triassic of Guizhou, China . American Museum Novitates . 3488 . 1–34 . 0003-0082 . 10.1206/0003-0082(2005)488[0001:roahrt]2.0.co;2. 55642315 .
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 . Vertebrata PalAsiatica . 47 . 1 . 1–20 . 2011-04-23 . https://web.archive.org/web/20111122152559/http://www.ivpp.ac.cn/cbw/gjzdwxb/xbwzxz/200902/W020090813372748918302.pdf . 2011-11-22 . dead .