New Cretaceous bird

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

Genus: _Holbotia_
Species: _H. ponomarenkoi_


It's not actually new; I think it was named by Kurochkin in 1991.  Kurochkin 
thought it was a pterosaur, but it's recently been moved to the Aves.  
(Don't have the ref, but apparently it's been published.)

The single specimen comes from Holbotu in Mongolia, at the same formation 
(Unduruhinskaya Formation) that yielded _Ambiortus dementjevi_.  That puts 
it at Lower Cretaceous (Barremian-Aptian).  It could represent a second 
specimen of _Ambiortus_.

That's all I could glean from a general paleo text I picked up in the 
library (forgot the title!) a few weeks back.  I haven't been able to find 
out anything else since.  Maybe somebody on the list knows about this one.


Tim


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