128 



CRETACEOUS AND TERTIARY FISH. 



Formation and locality. Known only from the type, a left 

 mandibular, from "Greensand No. 5" [the Hornerstown marl, 

 K.] at Hornerstown in Monmouth County (J. G. Miers) now in 

 the American Museum at New York. 



Edaphodon latidens (Cope). 



Diphrissa latidens Cope, Rep. U. S. Geol. Surv. Terr., II, 1875, p. 283. 



Greensand of New Jersey, No. 5. 

 Edaphodon latidens Hussakof, Bull. Amer. Mus. Nat. Hist., XXV, 1908, p. 



38, fig. is (type). 



Fig. 78. — Edaphodon latidens (Cope). (Type, from Hussakof.) 



Mandibular with anterior portion of beak narrowed, apical 

 area flat or crescent-like. Inner area very wide, leaving but nar- 

 row border on outer side. This band but little oblique, edge 

 slightly elevated and without any dentinal area. Single outer 

 column issues near border, hind edge in transverse line with an- 

 terior edge of inner area, its front end extending short distance 

 beyond. Anterior border of inner area broad and obtuse. Length 

 94 mm. (From Cope.) 



