Hen clam

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Related to Hen clam: surf clam
(Zool.) A clam of the Mactra, and allied genera; the sea clam or surf clam. See Surf clam.
A California clam of the genus Pachydesma.

See also: Hen, Hen

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Subsequently, serotonin was found to trigger spawning in several other pelecypods such as the bay scallop Argopecten irradians, the hard clam Mercenaria mercenaria, the ocean quahog Arctica islandica, the ribbed mussel Geukensia demissa (Gibbons and Castagna, 1984), the zebra mussel Dreissena polymorpha (Ram et al., 1992), the doughboy scallop Chlamys asperrima (O'Connor and Heasman, 1995), the pismo clam Tivela stultorum (Alvarado-Alvarez et al., 1996), the hen clam Mactra chinensis (Fong et al., 1996), and particularly the surf clam, Spisula solidissima (Gibbons and Castagna, 1984; Hirai et al., 1988).
Richards (1988), for example, demonstrated that salinities between 22% and 31% were optimal for microbial deputation by the hard clam Mercenaria mercenaria (L.), soft-shell clam Mya arenaria (L.), and hen clam Venus gallina (L.).
The canteen where the index patient had eaten the seafood salad was 1 of 17 supplied by a single cooking center that used a precooked, frozen, ready-to-eat product including shrimps, scallops, mussels, hen clams, cuttlefishes, and squid.