Fig. 13 in Braincase Of The Upper Devonian Shark Cladodoides Wildungensis (Chondrichthyes, Elasmobranchii With Observations On The Braincase In Early Chondrichthyans

Fig. 13. Detail of the hypophyseal region in Cladodoides. (A) Medial view; (B) ventral view. Anterior to left in both views. The probable course of the internal carotid artery is indicated by a series of dots. After entering the bucco­hypophyseal fenestra (which is essentially an extracranial space), the artery continues around its margin before it enters the braincase via a central opening in the floor of the hypophyseal chamber.