Re: Ichthyosaur breathing

[Tim Williams <twilliams_alpha@hotmail.com>]

Jaime A. Headden wrote:

> 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.

As someone who knows very little about ichthyosaurs, I have question.  Is 
the mid-Triassic swimmer _Hupehsuchus_ still regarded as being close to the 
origin of the Ichthyopterygia?