ostracoda

  • 91adductor muscle of carapace — Muscle attached to carapace for pulling it to the body (thorax) or connecting halves of bivalve shell (e.g. Conchostraca, Ostracoda, Leptostraca) or valves of cirriped capitulum for closure of them. In Cirripedia, any transverse muscles,… …

    Crustacea glossary

  • 92branchial plate — (Class Ostracoda): Enlarged, flattened modification of outer branch (exopod) of either mandible, maxillule, maxilla, or first thoracic limb. Bears long setae along margin and maintains water circulation within carapace. (Syn. vibratory plate,… …

    Crustacea glossary

  • 93brush-shaped organ — (Class Ostracoda): Rudimentary third pair of thoracopods (ninth paired appendage of body). Consists of basal part (stem) bearing distal cluster of hairs. Typically restricted to male and considered to be sensory. (Syn. brush like structure)… …

    Crustacea glossary

  • 94carapace — ( ) [Baba, 2005]. Entire animal, right appendages omitted, dorsal view, based on Munida. [Baba, 2005] ( ) [Baba, 2005]. Carapace, spines, based on Munida. [Baba, 2005] Head Shield cuticular structure arising from posterior margin of cephalon,… …

    Crustacea glossary

  • 95carina — A raised ridge on the surface of the exoskeleton [Ingle, 1980]. A ridge or keel of the exoskeleton (Fig. 1, 2). (Pl. carinae) [Perez Farfante and Kensley, 1997]. Any keel like structure, as on dorsum of pleon on some amphipods; in cirripeds,… …

    Crustacea glossary

  • 96cephalon — A term that refers to the head of a crustacean [Brusca and Brusca, 2002]. Anterior region of the body bearing the antennules, antennae, eyes, mandibles, maxillules, and maxillae [Holdich and Jones, 1983]. Anteriormost tagma, bearing eyes, mouth,… …

    Crustacea glossary

  • 97coxa — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] Article 1 of thoracic and abdominal appendages [Holdich and Jones, 1983]. First article of limb, usually short [Poore, 2004]. First or proximal article of leg or… …

    Crustacea glossary

  • 98duplicature — (Class Ostracoda): Along inner margin of valve, thickened, calcified section of inner lamella. Space between outer lamella and duplicature is termed vestibule. Medially directed surface of duplicature contacts opposite member when carapace is… …

    Crustacea glossary

  • 99endite — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] A mesial lobe like extension of a podomere or such an extension from the axial part of an unsegmented appendage [Hobbs, Hobbs, and Daniel 1977]. A non specific term to… …

    Crustacea glossary

  • 100endopod — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] Inner branch of biramous appendage, especially one arising from protopodite of pleopod [Butler, T.H.]. Inner of two branches of biramous limb, comprising ischium through… …

    Crustacea glossary