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Re: Lewisuchus, a Dinosauriform



Ken Kinman wrote-

>     Thanks to all for the information.  I guess if it is congeneric with
> Pseudolagosuchus, then Lewisuchus will have priority.   Which I guess is
> best, if they are Lagosuchids, since it would look odd to have a
> Pseudolagosuchus in that family.
>       But I wonder if there is any chance they might be small
herrerasaurs?
> In the meantime will leave Pseudolagosuchus as a plesion splitting off
just
> above Lagosuchidae, but below herrerasaurs.

Neither Pseudolagosuchus nor Lewisuchus are lagosuchids.  In fact, neither
is Marasuchus or Lagosuchus.  Lagosuchus is an indeterminate dinosauriform,
so cannot have a family named after it.  The accepted phylogeny is-
_____Lagerpeton
|_____Marasuchus
 |_____Pseudolagosuchus
  |_____Dinosauria
If you're insisting on having Marasuchus in a family (perhaps to include
Saltopus as well), make it Marasuchidae.  Pseudolagosuchus is not a
herrerasaurid, Arcucci and others have proven it's more basal than
dinosaurs.  Perhaps I'll detail why tonight if I have time.

Mickey Mortimer