From Oliver Rauhut - Re: Amygdalodon addendum

["Tim Williams" <twilliams_alpha@hotmail.com>]

> According to Rauhut, the element does not even belong to a sauropod, much
> less _Amygdalodon_, and he lists it as Vertebrata indet.  But I wonder:
> could it be a fragment of dermal armor belonging to _Amygdalodon_?

Wouldn´t think so. It doesn´t look like any dinosaur dermal armour I´ve ever
seen and would be awefully big for any of the sauropods represented by the
material of Amygdalodon. It kind of looks like part of a plate of a large
turtle, maybe with a rib attachment on the interior side, though Marcelo de 
la
Fuente could not identify it as any turtle element. Another possibility 
might
be part of a plesiosaur pectoral girdle (parts of the section are marine), 
but
again, Zulma Gasparini saw it and couldn´t think of any plesiosaur bone that
looks like that. The bone thus remains a mystery and can only be referred to
as vertebrata indet.
Cheers,

Oliver

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