Re: Ichthyosaur breathing

[David Marjanovic <david.marjanovic@gmx.at>]

> Motani has discussed this change in
> ichthyosaur evolution from the "eel-like" ichthyopterygian *Utatsusaurus* 
> and
> "basal" ichthyosaur *Cymbospondylus* to the more tail-powered *Grippia*,
> shastasaurs and mixosaurs, and then the more "dolphin-like" 
> *Temnodontosaurus*
> and ophthalmosaurs/stenopterygids.

I don't know what you mean here, but you don't mean *Grippia*, the 
exceedingly basal Early Triassic beastie with phalanges that are still long 
bones and the manual phalangeal formula of 5-6-6-5-4.