260 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 37. 
(SEPTIBRANCHIATA.) 
Superfamily POROMYACEA, 
Family CUSPIDARIID. 
Genus CUSPIDARIA Nardo. 
CUSPIDARIA COSTATA Sowerby. 
1834. Anatina costata SOWERBY, Proc. Zool. Soc., p. 87. Coast 
of Costa Rica, and south to Santa Elena, Ecuador. 
Se Ui Sere Mb, 20, Proc, U.S.N, nua, I, p. 242 pl.(3, 
Order TELEODESMACEA 4 44,1086 pres 
(NASSIBRANCHIATA.) 
Superfamily ASTARTACEA. 
Family CRASSATELLITID®. 
Genus CRASSATELLITES Kruger. 
CRASSATELLITES GIBBOSUS Sowerby. 
1832. Crassatella gibbosa SOWERBY, Proc. Zool. Soc., p. 56.— 
Reeve, Con. Icon., Crassatella, pl. 1, fig. 1, 1848. Gulf of 
California, south to Paita, Peru. 
Superfamily CYRENACEA. 
Family CYRENIDA. 
Genus CYRENA Lamarck. 
CYRENA ANOMALA Deshayes. 
1854. Proc. Zool. Soc., p. 21.—Prime, Mon. Corbic., p. 30, fig. 
24, 1865.--REEVE, Con. Icon., Cyrena, pl. 19, fig. 109, 1876. 
Coasts of Ecuador and Peru. 
CYRENA CHILINA Prime. 
1867. Ann. Lye. N. Hist. N. York, vol. 8, p. 418. Chile. 
CYRENA CORDIFORMIS Recluz. : 
1853.. Journ. de Conchyl:, vol. 45 p. 251, pl: (G fie. oe eeaita: 
Peru. 
CYRENA FONTAINEI Orbigny. 
1844. Voy. Am. Mér., p. 569, pl. 83, figs. 14-15. Guayaquil, 
Keuador. 
CYRENA FORTIS Prime. : : 
1861. Journ. de Conchyl., vol. 9, p. 355; vol. 10, p. 387, pl. 14, 
fig. 2, 1862. Ecuador. 
CYRENA ISOCARDIOIDES Deshayes. 
1854. Proc. Zool. Soc., p. 22.—Primeg, Mon. Corbic., p. 25, 1865; 
Proc. U.S. Nat. Mus., vol. 37, p. 159, pl. 26, fig. 4. Ecuador 
coast. Estero Bendito, Tumbes, Peru. 
