[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Amniota ( was re: synapsids are reptiles )
----- Original Message -----
From: "Jean-michel BENOIT" <Jean-Michel.BENOIT@gemplus.com>
Sent: Monday, April 15, 2002 1:16 PM
> You mean there's no taxon assigned to Amniota alone (apart from Syna_ and
Yes, by definition. Except the very first amniote (species? pair?
population?) which is of course unknown.
> What about Diadectomorphs?
Currently thought to be outside:
|--Amphibia (stem-based clade)
|--Theropsida = Synapsida
Of course that says nothing about whether they laid amniotic eggs, and vice
> If it turns out they're Amniotes, are they Sauropsids or Synapsids?
That will certainly turn out should they ever be found to be amniotes. Can't
say that a priori. (There has been an analysis that found them at the base
of Theropsida; this has been refuted, though.)