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Re: Ages of some obscure genera



Mike Taylor wrote-


> Can anyone help me out with when the following genera are believed to
> have lived?  Many thanks in advance.

Here's what I have, but my non-theropod files are at home.

> Aletopelta - Late Campanian
> Glyptodontopelta - Late Campanian-Maastrichtian
> Heptasteornis - Late Maastrichtian
> Jeholosaurus - Hauterivian?
> Stegopelta - Albian-Cenomanian
> Yimenosaurus - Early Jurassic

Mickey Mortimer