380 
sKLAcmr. 
Oxyrhina subbasalis (KiprijanofF). 
1864. Otoclus mlbaealis, V. KiprijanoiF, Bull. Soc. Imp. Nat. Moscou, 
pt. ii. p. 3!>0, pi. iii. ligs. 11-21. 
Type. Detached teeth. 
Teeth oF moderate size, the largest attaining a total height of 
about 0’034, with a slender elevated crown ; coronal faces smooth, 
rarely with a few vortical wrinkles anteriorly ; root short, the 
branches very divergent. Anterior teeth narrow, cuspidate ; poa- 
tcro-latcral teeth much compressed, though comparatively narrow, 
and often with a faint trace of the separation of a pair of lateral 
denticles. 
Form, 4' Loc. Cenomanian : Governments of Kursk and Saratov, 
Russia. 
P. 5783. Six teeth ; Saratov. History unknown. 
Oxyrbina angustidens, Rcuss. 
1846. Oxyrhina angustidens, A. E, Reuss, Verstein. biilim. Kreideform. 
pt. i. p. 6, pi. iii. ligs. 7-13. 
1846. O.vyrhina acuminata, A. E. Reuss, op, cit. pt. i. p. 7, 1>1. iii. 
ligs. 17-19, pi. vii. fig. 20. 
1845. O.vyrhina heteromorpha, A. E. Reuss, op. cit. pt. i. p. 7, pi. iii. 
ligs. 14-10. 
1840. Scoliodon prisons, A. E. Reuss, op. cit. pt. ii. p. 100, pi. xxiv. 
lig.s. 23, 24, pi. xlii. figs. 10-12. 
I860. 0.vyrhina angustidens, C. E. Fischer, Allg. deutsclie Natiirh. 
Zeit. n. 8. vol. ii. p. 141 , pi. ii. tigs. 44, 46. 
1850. Oxyrhina Iveteromorphn, C. E. Fischer, tom. cit. p. 142, pi. ii. 
figs. 40-49. 
1876. O.vyrhina angustidens, II. B. Geinitz, Palieontogr. vol. xx. pt. i. 
p. 293, pi. Ixv. figs. 1-3 ; pt. ii. p, 207, pi. xxxviii. tigs. 22-28. 
1878. Oxyrhina angustidens, A. Fritsch, Kept. u. Fische bolim. Kreido- 
form. p. 8, woodc. tig. 13. 
Type. Detached teeth. 
A very small species, the tooth with narrow crowns, not attaining 
a greater height than 0-012, and the branches of the root elongated 
in those near the symphysis. 
Form. 4 Toe- Cenomanian and Turonian : Saxony and Bohemia. 
Turonian and Senonian : 8. England. 
28542 a. Four imperfect teeth ; Pliinerkalk, Teplitz, Bohemia. 
Furvhased, 1853. 
