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>The latest Japanese dinosaur magazine (Kyoryugaku Saizensen
>No.9, ISBN4-05-600851-5) reported the history of North American
>and Asian Tyrannosaurid discovery, by George Olshevsky.
>He think there are three genera of Tyrannosaurid in the Nemegto
>basin, Tyrannosaur bataar, Tarbosaur efremovi, Maleevosaur
>And he think Tyrannosaur bataar is neither Tyarnnosaur nor
>Tarbosaur, so he want to rename Tyrannosaurs batarr as
>I read Japanese dinosaur book written by Phillip Curry for
>Japanese reader, which says Segnosaurid egg found in China.
>Could you tell me something about this ?
First, you should know that George Olshevsky is not a trained
paleontologist. I like him and he sometimes has good ideas. But George
does not spend very much time studying real fossils. He relies mostly
on pictures and what others have written. I would urge you to becareful
about accepting what George writes. George has been writing about
dinosaurs for GAKKEN because they pay, and because he can get his
opinions to people without having other scientists critize or challenge
him. If George wants to play dinosaur paleontologist, then he should
follow the rules.
I do not accept Tarbosaurus as being different that Tyrannosaurus, nor
that Jenghizhkan is a valid name. George is unfortunately making things
difficult for dinosaur paleontologists with the new names he has been
As for the segnosaur eggs, yes, the are real. I got to see them in
Denver last year. There are embryos inside that Dale Russell has
identified as segnosaur. The egggs are about 8 cm in diamter.
Kenneth (Kenichi) Carpenter