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Re: A few questions...
I believe that the more camarasaur-like titanosaur skulls are the correct one,
though I could be wrong. Beats me if titanosaurs are even a natural group, or
just a dumping ground for all sauropods without an apparent placement. Any
_Lagosuchus_ didn't BECOME _Marasuchus_. The type material from _Lagosuchus_
(what was that species?...) is still in _Lagosuchus_. More complete material
(originally referred to new species _L. lilloensis, right?) was referred to
_Lagosuchus_ a while back. Somebody figured that the original _Lagosuchus_
material was too fragmentary to warrant the assignment of a more complete
specimen to that genus, so they just created a new genus for the new
"Lagosuchus" material. Now that critter that most of us think of when
_Lagosuchus_ is mentioned is called _Marasuchus lilloensis_.
Hope that helps.
Also, what happened to the name Lagosuchus? Why did it become
My final question isn't very dinosaur related, but what kind of skin
might pelycosaurs have had? I have heard that parsimony might dictate a
smooth glandular skin, but I'm having trouble imagining exactly what
kind of skin is being talked about here. Is there a living animal that
would have skin like this?