EXCHODONTID.E. 
205 
Loomis, Palseontogr. vol. xlvi. (1900), p. 280. — Upper 
Cretaceous (Niobrara Group); Gore County, Kansas. 
[Dentary; Kansas University Museum.] 
Enchodus petrosus, E. D. Cope, Bull. U.8. Geol. Surv. Territ. 
no. 2 (1874), p. 44, and op. cit. 1875, p. 239, pi. liv. 
figs. 4-6 ; E. B. Loomis, Palseontogr. vol. xlvi. (1900), 
p. 278, pi. xxvii. figs. 13-15. — Upper Cretaceous (Nio- 
brara Group) ; Kansas. [Portions of skull, including 
palatine, and associated vertebrce ; Cope Collection.] 
Enchodus pressulens, E. D. Cope, Proc. Amer. Phil. Soc. vol. xi. 
( 1870), p. 241. — Greensand; NewJersey. [Palatine bone.] 
Enchodus semistriatus, O. C. Marsh, Proc. Amer. Assoc. Adv. 
Sci. 1869 (1870), p. 230. Phasejamdus semistriatus, 
E. D. Cope, op. cit. 1875, p. 277.— Greensand ; New 
Jersey. [Teeth.] 
Enchodus shumardi, J. Leidy, Proc. Acad. Nat. Sci. Philad. 1856, 
p. 257, and Contrib. Ext. Vert. Eauna W. Territ. (1873), 
p. 289, pi. xvii. fig. 20; E. B. Loomis, Palmontogr. 
vol. xlvi. (1900), p. 280, pi. xxvii. figs. 18, 19.— Cre- 
taceous ; Sage Creek, Dakota. [Dentary bone; National 
Museum, Washington.] 
Enchodus subcequilateralis, E. D. Cope, Proc. Amer. Phil. Soc. 
vol. xxiii. (1886), p. 3. — Cretaceous ; Brazil. [Palatine.] 
Enchodus tetnecus , E. D. Cope, op. cit. 1875, p. 278. — Cretaceous; 
Dolaware and New Jersey. [Teeth.] 
Enchodus valdensis, W. Dunker, Monogr. Norddeutsch. Wealdenbild. 
(1846), p. 62, pi. xv. fig. 24.— Wealden; N. Germany, 
[indeterminable tooth, probably not of this genus.] 
The jaws named as follows seem to differ from Enchodus only in 
the absence of the terminal tooth of the palatine, which may have 
been shed : — 
Tetheodus pepliredo, E. D. Cope, Bull. U.S. Geol. Surv. Territ. 
no. 2 (1874), p. 43, and Vert. Cret. Eorrn. West (Rep. 
U.S. Geol. Surv. Territ. vol. ii. 1875), p. 237, pi. liv. 
figs. 1-3. — Upper Cretaceous (Niobrara Group) ; Kansas. 
The imperfect fish described as follows also seems to belong to 
the genus Enchodus : — 
Elopopsis dent ex, J. J. Heckel, Denkschr. k. Akad. Wiss., math.- 
naturw. Cl. vol. xi. (1856), p. 254, pi. xiii. fig. 2. — 
Cretaceous ; Comen, Istria. [Fish wanting end of tail ; 
Rosthorn Collection.] 
