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Re: Question about lithostrotian sauropods



Dear Mati, 
te escribo en inglés.
you can find strongly procoelous middle and posterior
caudal vertebrae in the Santonian of Rio Negro (e.g.,
Bonitasaura) or the Turonian/Coniacian of Neuquen (in
press, I'll send it to you as soon as published).
Cenomanian, don't know.
Concerning biconvex first caudal vertebra also
Santonian.
Un abrazo.
Sebas
 

--- Matías Soto <sotoraptor2@gmail.com> escribió:

> Dear list members,
> Is there any confident record of pre-Campanian
> lithostrotians with
> such characters as biconvex first caudal vertebra or
> strongly
> procoelous middle and posterior caudal vertebrae? In
> another words:
> which is the older ocurrence of such a sauropod?
> I would greatly appreciate if anyone can shed some
> light on this.
> Regards,
> 
> Matías
> 


Lic. Sebastián Apesteguía

Área de Paleontología. Fundación de Historia Natural 'Félix de Azara',
Dto. de Ciencias Naturales y Antropología, CEBBAD, Univ.Maimónides, 
V. Virasoro 732 (1405), Buenos Aires, ARGENTINA
Tel-fax: 5411-49051100 i. 1228, secretaria@fundacionazara.org.ar 
www.fundacionazara.org.ar

Sección de Paleontología de Vertebrados 
Museo Argentino de Ciencias Naturales 'B. Rivadavia'
Av. Ángel Gallardo 470 (1405) Buenos Aires, ARGENTINA
Tel-fax:5411-49826595 i.193, paleoninja@yahoo.com.ar


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