48 LAMELLIBBANCHIATA. 



Diplodonta dilatata, Philippi, 1836. 

 Diphdonta dilatata. 



Mollusconim SicilifB, 1836, pi. iv. fig. 7, p. 31. 



Dixon's ' Sussex,' 1850, pi. iii. %8. 12, 16, p. 167. (F. E. Edwards Coll.) 



Mon. Pal. Soc. 1850, p. 145. 



Horizons and Localities. 

 Upper Eocene. — Barton Beds. Barton. 

 Middle Eocene. — Bracklesham Beds. Bracklesham Bay ; Brook. 



Diplodonta Eudoridea, Edwards (MS.). 



Horizons and Localities. 



Upper Eocene.— barton Beds. Barton. 



Middle Eocene. — Bracklesham Beds. Brook ; Bramshaw. 



Diplodonta ingens, Deshayes, 1860. 



Diplodonta ingens. 



Desc. .'Vnim. sans Vert. 1860, vol i. pi. xlvii. figs. 1, 2, p. 611. 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Diplodonta obesa, Edwards (MS.). 



Horizons and Localities. 



Oligocene. — Headon Beds. Roydon. 



Upper Eocene. — Barton Beds. Barton. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay ; Brook. 



Diplodonta planiuscula, Edwards (MS.). 



Horizon and Locality. 



Oligocene. — Headon Beds. Brockenhurst. 



Diplodonta puncticulata, Edwards (MS.). 



Horizon and Locality. 



Upper Eocene. — Barton Beds. Barton. 



Diplodonta semicircularis, Edwards (MS.). 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. WhiteclifT Bay. 



Diplodonta suborbicularis, Edwards (MS.). 



Horizon and Locality. 



Oligocene. — Headon Beds. Brockenhurst. 



Diplodonta subquadrata, Edwards (MS.). 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Diplodonta subrotundata, Edwards (MS.). 



Horizon and Localities. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay ; Brook ; Bram- 

 shaw. 



