Fig. 2 in Redescription of the type specimens for the Late Jurassic rhynchocephalian Opisthias rarus and a new specimen of Theretairus antiquus from Quarry 9, Morrison Formation, Wyoming, USA

Fig. 2. Teeth of rhynchocephalians Opisthias sp. (A–D) and Theretairus antiquus Simpson, 1926 (E) from Quarry 9, Como Bluff, Wyoming, USA, Upper Jurassic. A. USNM 6126, right dentary fragment with a relatively complete coronoid process in labial view. B. USNM 26080, fragment of palatine in?lingual view with four teeth attached. C. USNM 508532, rock matrix with fragments of right maxilla in lingual view (C1), close-up detail (C2), maxillary teeth (C3). D. USNM 7767 and USNM 26086, fragments of a right dentary, in lingual (D1), labial (D2), and occlusal (D3) views, close-up detail of the four distalmost additional teeth (D3), close-up detail of the four distalmost additional teeth in labial (D4) and lingual (D5) views. E. USNM 26088, anterior fragment of a left dentary, in labial (E1), lingual (E2), and occlusal (E3) views.