Assertion: plesiosaur | /r/HasProperty | thalassomedon
Facets:
Source sentences:
text: Other plesiosaurs with more than 60 cervicals are Styxosaurus, Hydralmosaurus, and Thalassomedon.
text: Other plesiosaurs with more than 60 cervicals are Styxosaurus, Hydralmosaurus, and Thalassomedon.