402 SELACHII. 
0eL* 
Lamna macrota (Agassiz). 
1843. Otodus macrotus, L. Agassiz, Poiss. Foss. vol. iii. p. 273, 
pi. xxxii. figs. 29-81. 
1843. Lamna elegans, L. Agassiz (in part), tom. cit. pi. xxxv. figs. 6, 7, 
pi. xxxvii. a. fig. 58. ^ 
1843, Lamna compressa, L. Agassiz, tom. cit. p. 290, pi. xxxvii. a. 
figs. 35-42. 
1849. Otodus macrotus, R. W. Gibbes, Journ. Acad. Nat. Sci. Philad. 
[2] vol. i. p. 200, pi. xxvi. figs. 143, 144. 
1850. Otodus lanceolatus , F. Dixon (non Agassiz), Foss. Sussex, p. 204, 
pi. xi. figs. 20, 21. 
1863. Otodus macrotus, K. E. Schafliautl, Siid-Bay. Letli. Geogn. 
p. 243, pi. lxii. fig. 10. 
1875. Otodus macrotus, T. C. Winkler, Archiv Vereins Fr. d. Natur- 
gesch. Mecklenburg, vol. xxix. p. 110. 
1888. Lamna marginalis, J. W. Davis, Trans. Roy. Dublin Soc. [2] 
vol. iv. p. 19, pi. iii. figs. 8-10. 
Type. Detached teeth ; Paris Museum of Natural History. 
Teeth much compressed, the largest attaining a maximum total 
height of about 0*05 ; cutting-edges prominent; outer coronal face 
gently convex; inner coronal face with faint longitudinal striae ; a 
single pair of lateral denticles, well separated, broad, but rarely 
acuminate. f \. r y-w k<rrd 
Form. Sf Loc. Lower Eocene: S.E. England and South Carolina. 
Middle Eocene: London and Hampshire Basins, and N. France. 
Upper Eocene: S. Germany. Lower Miocene : Belgium and W. 
Germany. Oamaru and Waipara Systems: New Zealand., 
P. 5905. Three teeth ; London Clay, Sheppey. Daniels Coll.^°^- 
P. 1285. Three teeth ; Sheppey. Egerton Coll. 
P. 5505. Postero-lateral tooth; Lower Eocene, Sydenham, near 
London. Caleb Evans Coll. 
23200. Tooth; Bracklesham Beds, Bracklesham Bay, Sussex. 
Presented by S. P. Woodward, Esq., 1849. 
25683 a, 25385-6. Nineteen teeth; Bracklesham Bay. Dixon Coll. 
40235. Twelve teeth ; Bracklesham Bay. Edwards Coll. 
P. 5795. Five teeth; Bracklesham Bay. Purchased , 1882. 
39774. Broad tooth; (?) M. Eocene, Hampshire. Purchased, .1862. 
40309. Anterior tooth ; Colesworth, near "Woking, Surrey. 
Purchased, 1867. 
