United States National Museum - si-pddr - Smithsonian Institution

NORTHWEST COAST MARINE SHELLBEARING MOLLTJSKS. 39
Superfamily CARDIACEA.
Family CARDIIDAE.
Genus CARDIUM Linnaeus. 1758.
Subgenus Tbachycabdium Morch, 1853.
TRACHYCARDIUM QUADRAGENARIUM Conrad, 1837.
Journ. Acad. Nat. Sci. Phila., p. 230, pi. 17, tig. 5.
Santa Barbara, California, to Todos Santos Bay, Lower California.
CERASTODERMA CORBIS Martyn, 1784.
Subgenus Cerastoderma Morch, 1853.
Figs. Nondescript Shells, table 2, pi. SO; Univ. Gal. Zool. Publ., vol. 14.
pi. 20, fig. 1.
Nunivak, Pribilof, and Commander Islands, Bering Sea, south to Hakodate,
Japan, and San Diego, California (Lower California?).
CERASTODERMA CILIATUM Fabricius, 1780.
Fauna Gronl., p. 410; Binney's Gould's Inv. Mass., p. 140, fig. 150.
Circuinboreal. Arctic Ocean and southward to Puget Sound and North
Japan.
CERASTODERMA DECORATUM Grewingk, 1850.
Verh. Min. Ges. zu St. Petersburg, 1S48-9, p. 274, pi. 4, figs. 3 a-g.
Pleistocene of Alaska and British Columbia. Recent?
CERASTODERMA CALIFORN1ENSE Deshayes, 1841. (Plate 14, fig. 8.)
Guerin, Mag. de Zool., Moll., pi. 47.
Arctic Ocean to San Diego, California, North Japan and Okhotsk Sea.
CERASTODERMA CALIFORNIENSE COMOXENSE Dall, 1900.
Proc. U. S. Nat. Mus., vol. 23, No. 1214, p. 390.
Pleistocene of Vancouver Island. Recent ?
CERASTODERMA FUCANUM Dall, 1907.
Nautilus, vol. 20, No. 10, p. 112.
Southern Bering Sea, off Unimak Island, and south to Monterey, California.
? Subgenus Ringicardium Fischer, 1887.
RINGICARDIUM PROCERUM Sowerby, 1833.
Proc. Zool. Soc, p. 83; Conch. 111. Cardium, tiff. 23.
Pleistocene, San Diego. Cerros Island to Payta, Peru.
FRAGUM BIANGULATUM Sowerby, 1829.
Subgenus Fragum Bolten, 1798.
Zool. Journ., vol. 5, pt. 4, p. 367; Conch. 111. Cardium, fig. 2.
San Pedro, California, to Panama.
TRIGONIOCARDIA EUDOXIA Dall, 1916.
Subgenus Trigoniocardia Dall, 1900.
Proc. U. S. Nat. Mus., vol. 52, p. 412.
Catalina Island, California, to Gulf of California.