diductor muscles

diductor muscles
Two pairs of muscles that open valves of articulates, commonly attached to brachial valve immediately anterior to beak; principal pair usually inserted in pedicle valve on either side of adductor muscles with posterior accessory pair.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • lamp shells — ▪ animal Introduction also called  brachiopod,         any member of the phylum Brachiopoda, a group of bottom dwelling marine invertebrates. They are covered by two valves, or shells; one valve covers the dorsal, or top, side; the other covers… …   Universalium

  • Brachiopod — Taxobox name = Brachiopoda fossil range = Cambrian Recent image width = 250px image caption = Living brachiopods regnum = Animalia phylum = Brachiopoda phylum authority = Duméril, 1806 subdivision ranks = Subphyla and classes subdivision = See… …   Wikipedia

  • Linguliformea — Taxobox | name = Linguliformea regnum = Animalia phylum = Brachiopoda subphylum = Linguliformea subdivision ranks = Classes subdivision = Lingulata PaterinataLinguliformea is a subphylum of inarticulate brachiopods. These were the earliest of… …   Wikipedia

  • cardinal process — (BRACHIOPODA) A blade or boss of the secondary shell placed medially in the posterior end of the brachial valve for the separation or attachment of the diductor muscles …   Dictionary of invertebrate zoology

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