Assertion: american plesiosaur | /r/HasProperty | reptilia
Facets:
Source sentences:
text: Comparative cranial anatomy of two North American plesiosaurs (Reptilia: Sauropterygia) and a review of some North American elasmosaurs, unpublished draft.
text: Comparative cranial anatomy of two North American plesiosaurs (Reptilia: Sauropterygia) and a review of some North American elasmosaurs, unpublished draft.