PR080BRANCHIATA.— MURICID^. 149 



Genus PTERONOTUS, Swainson, 1840. 

 Malacology, 1840, p. 296. 



Pteronotus asper, Solander, 1766. 



Murex axper. 

 Brander's ' Foss. Hant.' 1760, pi. iii. figs. 77-79, p. 35 (figs. 77, 79, Brander 

 OoU.). 



Murex tricarinatug. 



Ann. Mus. 1803, vol. 2. p. 223. 



Mineral Coiichology, 1823, pi. 116. fig. 1. (Sowerby Coll.) 



Murex tricuspidatus. 



Coq. Foss. Paris. 1835, vol. ii. pi. Ixxxi. tigs. 22, 23, p. 600. 



Horizon and Localities. 



Upper Eocene. — Barton Beds. Barton ; High Clitf. 



Middle Eocene. — Brncklesham Beds. Bracklesham Bay ; Huntingbrldge ; 

 Bramshaw ; Brook ; Stubbington. 



Pteronotus bispinosus, J. de C. Sowerby, 1823. 



Murex bispinosiK. 



Mineral Concliology, 1823, pi. 416. fig. 2. (Sowerby OoU.) 



Horizons and Localities. 



Upper Eocene. — Barton Beds. Barton. 



Middle Eocene. — Bracklesham Beds. Hiintingbridge; Brook. 



Pteronotus Caillati, Deshayes, 1865. 



Murex Caillati. 



l)esc. Anini. sans Vert. 1865, vol. iii. pi. Ixxxvii. figs. 24^26, p. 316. 

 Horizon and Localities. 



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



Pteronotus crassicostatus, Deshayes, 1835. 



Murex crassicostatus. 

 Coq. Foss. Paris, 1835, vol. ii. pi. Ixxxii. figs. 13, 14, p. 601. 



Horizon and Localities. 

 Middle Eocene. — Bracklesham Bedi. Brook ; Huntingbridge. 



Pteronotus filigranosus, Edwards (MS.). 



Horizon and Locality. 



Middle Eocene. — Bracklesham Beds. Huntingbridge. 



Pteronotus micropterus, Deshayes, 1835. 



yiure.c tnicro/iteriis. 



Coq. Foss. Paris, I83.'>, vol. ii. pi. Ixxxii. figs. 3, 4, p. 596. 

 Desc. Anini. sans Vert. I860, vol. iii. p. 316. 



Horizon and Localities. 

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



