210 



FOSSIL FISHES OF THE ENGLISH CHALK. 



striking resemblaiico to tlic teeth coininonly descril)ed as O.ri/rJiiiia cvdssidens 

 (see p. 205). 



ILrrkons and fjoiudUirs. — Turonian zones : near Lewes, Sussex ; Cuxton, Kent ; 

 Surrey. 



Gcnvs SCAPANORHYNCHUS, A. S. Woodward. 



Bhinognathus, J. W. Davis (mn Fainuaire, 1873), Trans. Roy. Dublin Soc. [2], vol. iii, 1887, p. 480. 

 Scapanorhynclms, A. S. Woodward, Catal. Foss. Fishes B. M., pt. i, 1889, p. 351. 



Generic Characters. — Body slender, with much elongated snont. Posterior 

 dorsal fin small, opposed to an extended anal fin ; caudal fin much elongated, 



Fig. 65. Mltsulcurina owsloni, Jordan ; yornig male in side view, with upper and lower views of head, etc., 

 greatly reduced in size. — Existing in Japanese Seas. After D. S. Jordan. 



inferiorly notched near the extremity. Teeth with a high and slender cuspidate 

 crown, mostly with a pair of small lateral denticles; root bifid. 



Type Species. — Scapanorliyvchns leiinsl (J. W. Davis, Joe. cit., 1887, p. 4-80, 

 pi. xiv, fig. 4, and A. S. Woodward, loc. cit., 1889, p. 851, pi. xvii, figs. 1 — 7), 

 known by imperfect fishes from the Upper Cretaceous of Mount Lebanon. 



RemarJcs. — This genus is closely related to, if not identical with, Mitsukumui 

 (Text-fig. 65), a genus of sharks existing in the deep sea off Japan. ^ The crushed 



1 D. S Jordan, " Description of a Species of Fish (Mitsukurina owstoni) from Japan, the Type of 

 a Distinct Family of Lamnoid Sharks," Proc. California Acad. Sci., [3] Zool., vol. i, no. 6 (1898) ; 

 A. S. Woodward, "Note on ScajMiwrhyncJiiis, a Cretaceous Shark apparently surviving in Japanese 

 Seas," Ann. Mag. Nat. Hist., [7] vol. iii (1899), pp. 487— 489 ; B. A. Bean, "Notes on an Adult 

 Goblin Shark {Mitsukurina owstoni) of Japan," Proc. U. S. Nat. Mus., vol. xxviii (1905), pp. 815 — 818; 

 L. Hussakof, "A New Goblin Shark, SrapanorJiynrJnis jai-Jaiii, from Japan," Bull. Amer. Mus, Nat. 

 Hist., vol. xxvi (1909), pp. 257—262, pi. xliv. 



