PHOSOBKANCHIATA. — CBBITHIIDa!. 197 



Genus PYRAZUS, Montforfc, 1810, 

 Conch. Syst. 1810, vol. 2. pp. 468 (woodcut), 459. 



Exechestoma, Cossman, 1889. 

 Ann. Soc. Mai. Belgique, 1889, vol. xxiv. p. 75. 



P3rrazTis Anglicanus, Edwards (MS.). 



Horizon and Locality. 

 Middle Eocene. — Bracklesham Bed,i. Bramshaw. 



Pyrazus angulatus, Solander, 1766. 



Murex angulatus. 



Brander's 'Foss. Hant' 1766, pi. iii. fig. 46, p. 24. 



Murex hexagonus. 

 Conchylien-Cabinet, 1788, vol. x. pi. 162. figs. 1554, 1565, p. 261. 



Cerithium hexagonum, 

 Ann. Mus. 1804, vol. 3. p. 271. 



Cerithium pyramidale. 

 Mineral Conchology, 1816, pi. 127. %. 1. (Sowerby Coll.) 



Cerithium hexagonum. 

 Coq. Foss. Paris, 1833, vol. ii. pi. xlv. figs. 3, 4, pi. xlviii. figs. 15, 16, p. 327. 



Horizons and Localities. 



Upper Eocene. — -Barton Beds. Barton ; High Cliff. 



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



Pyrazus angulosus, Lamarck, 1804. 



Cerithium angulosum. 

 Ann. Mus. 1804, vol. 3. p. 273. 



Coq. Foss. Paris, 1833, vol. ii. pi. xlv. fig. 6, pi. xlviii. figs. 6, 7, pi. xlix. 

 figs. 6-8, p. 418. 



Exechestoma angulosa. 



Ann. Soc. R. Mai. Belgique, 1889, vol. xxiv. p. 76. 



Horizon and Localities. 



Middle Eocene. — Bracklesham Beds. Brook ; Bramshaw. 



Genus TEREBRALIA, Swainson, 1840. 

 Malacology, 1840, p. 315. 



Terebralia Bonelli, Deshayes, 1833. 

 Cerithium Bonelli. 

 Coq. Foss. Paris, 1833, vol. ii. pi. 1. figs. 21-23, p. 319. 



Terebralia Bonelli. 



Ann. Soc. R. Mai. Belgique, 1889, vol. xxiv. p. 76. 

 Horizon and Localities. 



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

 Stubbington. 



