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Re: Earliest Neornithean?

fredericus ruhe wrote:

> There is Liaoningornis longidigitris Hou, 1997. that is described from the
> late jurasic, Tithonian, although some workers consider the Yixian Formation
> early cretaceous
> Fred Ruhe

Errrrr...only those workers who ignore the data or who feel that doing
biostratigraphy on the basis of three skeletons is valid science think that the
Yixian is Tithonian....

Sorry, small rant there...

Josh Smith
Department of Earth and Environmental Science
University of Pennsylvania
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