X-Nico

2 unusual facts about John Ostrom


Herbstosaurus

In 1978 John Ostrom, while reviewing the relations of Compsognathus, concluded that these qualities were best explained by the hypothesis that Herbstosaurus was not a dinosaur but a pterosaur, for which such proportions are normal.

Laopteryx

In 1986 however, the fossil was restudied by John Ostrom who concluded that Laopteryx was a pterosaur.



see also