Assertion: plesiosaur | /r/HasProperty | obata
Facets:
Source sentences:
text: -- As seen in the photos, the anterior fins appears to be articulated at a right angle to the shoulder, consistent with sharks but not plesiosaurs (Obata and Tomoda 1978, p 46); Hasegawa and Uyeno 1978, p 65).
text: -- The pelvic (hind) fins were said by some of the crewmen to be similar in size to the pectoral fins, as in a plesiosaur (Obata and Tomoda 1978, p 49).