256 aASTBBOPODA. 



Gibbula Rhenanus (Merian, MS.), Sandberger, 1863. 



Trochus Rhenaniis. 

 Conch. Mainz. Tert. 1863, pi. xi. fig. 7, p. 148. 



Horizon and Locality. 

 Oligocene. — Headon Beds. HordweU. 



Genus CALUOSTOMA, Swainson, 1840. 



Malacology, 1840, p. 351. 



Ziziphimis, J. E. Gray, 1847. 



Synopsis British Museum, 1840, ed. 42, p. 151 (list-name). 



Proc. Zool. Soc. 1847, p. 145. 



Calliostoma coronatum, Edwards (MS.). 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Calliostoma nodnlosum, Solander, 1766. 



Trochus nodulosus. 

 Brander's ' Foss. Hant.' 1766, pi. i. fig. 6, p. 10, non Gmelin, 1790. (Brander 

 Coll.) 



Ti'ochv^ monilifer. 

 Mineral Conchology, 1822, pi. 367, non Lamarck. (Sowerby Coll.) 



Horizon and Localities. 



Upper Eocene. — Barton Beds. Barton ; Hordwell. 



Calliostoma Selseiense, Edwards (MS.). 



Horizon and Locality. 



Middle Eocene. — BracMeshain Beds. Bracklesham Bay. 



Family TURBINID^, Chenu. 



Genus COLLONIA, J. E. Gray, 1857. 



Guide Syst. Dist. MoUusca, 1857, p. 143. 



Leucorhynchia, H. Crosse, 1867. 



Joum. Couchyl. 1867, vol. xv. p. 319. 



Non Leucorhynchus, Kaup, 1829. 



CoUonia callifera, Deshayes, 1883. 



Delphinula callifera. 



Coq. Foss. Paris, 1833, vol. ii. pi. xxv. figs. 16-18, p. 210. 

 Desc. Anim. sans Vert. 1864, vol. ii. p. 038. 



Leucorhynchia callifera. 

 Ann. Soc. K. Mai. Belgique, 1888, vol. xxiii. p. 72. 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Bracklesham Bay. 



Collonia canalifera, Lamarck, 1804. 



Delphinida canalifera. 

 Ann. Mus. 1804, vol. 4. p. 112. 



