Tag Archives: sauropterygians

Eunotosaurus, Pappochelys and the crisis in reptilian phylogeny

From: Evolutionary origin of the turtle skull G. S. Bever, Tyler R. Lyson, Daniel J. Field & Bhart-Anjan S. Bhullar; A Middle Triassic stem-turtle and the evolution of the turtle body plan Rainer R. Schoch & Hans-Dieter Sues; An ancestral … Continue reading

Posted in Scientific ramblings | Tagged , , , , , , , , , , , , | Leave a comment

The monophyly of euryapsids and the radiation of marine reptiles after the Permian–Triassic- extinction

This brief note might be read as a continuation of this one. Phylogeny by Motani et al As noted in the epistle linked above, the possibility of the monophyly of euryapsids, sometimes termed enaliosauria, has been spoken of repeatedly over … Continue reading

Posted in Scientific ramblings | Tagged , , , , , , , , , , , , , , | Leave a comment

Some musings on the age of the ichthyosaurs

Ichthyopterygia (colloquially ichthyosaurs in this note), like many other reptilian clades, is well known to the lay reader but remains mysterious in terms of its origin. The ichthyosaurs first appear in the fossil record around the second half of the … Continue reading

Posted in Scientific ramblings | Tagged , , , , , , , , , , , , , | Leave a comment