Assertion: plesiosaur's tail | /r/HasProperty | flat protuberance
Facets:
value: in hawkins's models
type: LOCATION
value: from a straight backbone
type: OTHER
Source sentences:
text: Better fossil evidence shows that they have more in common with sharks, having a dorsal fin and fish-like tail, whereas in Hawkins's models the tail is a flat protuberance from a straight backbone.