394 
SELACim. 
coronal face slightly convex or flat, often with few indefinite vertical 
folds in the basal half ; inner coronal face markedly convex, smooth ; 
cutting-edges prominent ; a single pair of lateral denticles, broad 
but pointed. Anterior teeth narrow and upright : lateral teeth 
much inclined backwards, the anterior edge being much more arcuate 
and longer than the posterior. 
Form. ^ Loo. Albian — Scuonian : S. England. Cenomanian : 
Belgium, Bavaria, and llussia. Cenomanian and Turonian ; Saxony, 
Upper Silesia, and Bohemia. (?) Danian : Holland. lT])por Creta- 
ceous : Galicia, New Jersey, and N. Queensland ‘. 
35885, 36114, 36319, 36320, 36905. Seven tooth, including one 
very robust example, 0'04 in total height ; Gault, Eolke- 
stone. Pvrchaiied, 1801, 1862. 
36331. Tooth ; Gault, Folkestone. Darnels Coll. 
47218 a, P. 9. Fifteen teeth ; Gault, Folkestone. Gardner Coll. 
P. 253-4. Three teeth ; Gault, Folkestone. 
Presented bi/ ./. Wood-Mason, Es/j., 1880. 
P. 2382. Anterior tooth figured by Agassiz, tom.cit. pi. xxxii. fig. 7; 
Gault, Folkestone. Ennislcillea Coll. 
28108. Seventeen teeth ; Cambridge Greensand, Cambridge. 
Presented by James Carter, Esej., 1852. 
35127, 35129, 35160. Thirty-four teeth; Cambridge Greensand. 
Purchased, 1859. 
41914. Nine teeth; Cambridge Greensand. Purchased, 1870. 
P. 5791. Three teeth ; Cambridge Greensand. 
40501. Lateral tooth ; Upper Greensand, Charmouth, Dorset. 
Purchased, 1 867 . 
47957. Tooth; Upper Greensand, Warminster. 
Presented by the Hon. liohert Marsham, 1877. 
P. 5793. Six imperfect teeth, and one with a remarkably broad 
triangular compressed crown ; Warminster. 
P. 5909. One perfect and one imperfect tooth; Greensand, Tournai, 
Belgium. Purchased. 
P. 1283. Seven teeth, more or less imperfect ; Tournai. 
Eyerton Coll. 
* This species is also recorded from the White Chalk of Manganischlak (E. 
von Bichwald, Oeogn.-pala;ont. Bemork. Ilalbinsel Manganischlak, 1871, p. C5). 
