DIBEAHCHIAXA. BEL0PrERIDJ3. 289 



Family BELOPTERID^E, P. Fischer. 



Genus BELOPTERA, Blainville (pam) 1825, em. Deshayes, 1830. 



Man. Malacologie, 1825, pp. 621, 622. 

 Encycl. Meth. (Vers), 18-30, vol. 2. p. 134. 



Beloptera belemnoidea, Blainville, 1825 and 1827. 



[Fish-tooth P] 

 Guettard's M(5m. Sci. Arts, 1783, vol. v. M(Sm. 7, pi. ii. figs. 10-12. 



Beloptera belemnoidea. 



Mail. Malaculogie, 1825, p. 622 ; 1827, pi. xi. fig. 8. 



Beloptera helemnitoidea. 



Mem. B(5lemuites, 1827, pi. i. fig. 3, p. 111. 



Mineral Conchology, 1828, pi 501. fig. 3, from the Paris Basin. (Sowerby 



Coll.) 

 Coq. Foss. Paris, 1835, vol. ii. pi. c. figs. 4-6, p. 761. 

 Mon. Pal. Soc. 1840, pi. ii. tigs. l»-le, p. 36. (F. E. Edwards and Dixon 



OoUs.) 

 Dixon's 'Sussex,' 1850, pi. ix. fig. 18. (Dixon CoU.) 

 De.sc. Anini. sans Vert. I860, vol. iii. p. 619. 



Horizon and Locality. 

 Middle Eocene. — BracMesham Beds. Bracklesham Bay. 



Beloptera Levesquei, Forussac and Orbigny, 1840. 



Beloptera Lecesguei. 

 Hist. Nat. C(5ph. 1840, pi. 20. figs. 11, 12, p. 295. 

 Mon. Pal. Soc. 184!), pi. ii. figs. 2»-2^ p. 37. (WethereU Coll.) 

 De.sc. .\nim. sans Vert. 1865, vol. iii. pi. cvi. tigs. 9, 10, pi. cvii. figs. 1, 2, 

 p. 619. 



Horizon and Locality. 



Lower Eocene. — London Clay. Highgate. 



Genus BELEMNOSIS, F. E. Edwards, 1849. 



Mon. Pal. Soc. 1849, p. 38. 



Belemnopsia, J. E. Gray, 1849. 

 Cat. Moll. British Mus., Ceph. Antepedia, 1849, p. 157. 



Belemnosis anomala, J. de C. 8owerby, 1828. 

 Beloptera annmula. 



Mineral Conchology, 1828, pi. 691. fig. 2. (Sowerby Coll.) 



Belemnosis plicata. 



Mon. Pal. Soc. 1849, pi. ii. tigs. -S'-.-J", p. 40. (Sowerby Coll.) 

 Horizon atid Locality. 



Lower Eocene. — London Clay. Highgate .-Vrchway. 



