carapace tooth

carapace tooth
Generally blunt projection of carapace, often broader than spine. See: carapace teeth, stomatopod integumental ornamentation [McLaughlin, 1980].
Small sharp spinous projection in varied locations — named types:
(a) cardiac. Tooth on mid-line of carapace just behind cervical groove.
(b) gastric. Tooth on mid-line of carapace just in front of cervical groove.
(c) lateral. Tooth placed on lateral margin of carapace (includes anterolateral, mediolateral, posterolateral teeth).
(d) orbital. Tooth on orbital margin.
(e) posterior. Tooth on mid-line of carapace just in front of posterior margin between it and marginal groove.
(f) pregastric. Tooth on mid-line of carapace between gastric tooth and rostrum.
(g) rostral. Tooth on rostrum; may be single (e.g., scyllarid palinurans) or multiple and classified as upper, lower or lateral (e.g., nephropid astacideans and natantian crabs) [Moore and McCormick, 1969].

Crustacea glossary. . 2011.

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Look at other dictionaries:

  • carapace tooth — (ARTHROPODA: Insecta) Various blunt or small sharp spinous projections on a carapace, often broader than a spine …   Dictionary of invertebrate zoology

  • tooth — (Order Decapoda): Tooth like structure, either in gastric mill of cardiac stomach or referring to blunt, relatively broad projection on outer surface of carapace. In cardiac stomach, one may distinguish one median and two lateral teeth. On… …   Crustacea glossary

  • carapace teeth — (Order Decapoda): (a) cardiac. On midline of carapace just posterior to cervical groove. (b) gastric. On midline of carapace immediately anterior to cervical groove. (c) lateral. On lateral margin of carapace; anterolateral, mediolateral, and… …   Crustacea glossary

  • lateral tooth — See: carapace tooth (c) [Martin, 2005]. See: carapace teeth (c), stomatopod integumental ornamentation [McLaughlin, 1980]. (Order Decapoda): On carapace, one in a series of tooth like projections along each side. According to position relative to …   Crustacea glossary

  • posterior tooth — See: carapace tooth (e) [Martin, 2005]. See: carapace teeth (e) [Butler, T.H.]. (Order Decapoda): On midline of carapace, tooth like projection between marginal groove and posterior margin. (Syn. posteromedian tooth) [Stachowitsch, 1992] …   Crustacea glossary

  • pregastric tooth — See: carapace tooth (f) [Martin, 2005]. (Order Decapoda): See: carapace teeth (f) [McLaughlin, 1980]. (Order Decapoda): On midline of carapace, tooth like projection between gastric tooth and rostrum. (broadly rounded, bilobed and incised)… …   Crustacea glossary

  • cardiac tooth — See: carapace tooth (a) [Martin, 2005]. See: carapace teeth (a) [McLaughlin, 1980]. (Order Decapoda): On midline of carapace, tooth like projection in cardiac region just posterior to cervical groove [Stachowitsch, 1992] …   Crustacea glossary

  • gastric tooth — See: carapace tooth (b) [Martin, 2005]. (Order Decapoda): See: carapace teeth (b) [McLaughlin, 1980]. (Order Decapoda): On midline of carapace, tooth like projection on gastric region just anterior to cervical groove [Stachowitsch, 1992] …   Crustacea glossary

  • rostral tooth — See: carapace tooth (g) [Martin, 2005]. (Order Decapoda): See: carapace teeth (g) [McLaughlin, 1980]. (Order Decapoda): One in a series of tooth or spine like projections along anterior extension (rostrum) of carapace. According to position one… …   Crustacea glossary

  • orbital tooth — See: carapace tooth (d) [Martin, 2005]. (Order Decapoda): See: carapace teeth (d) [McLaughlin, 1980]. (Order Decapoda): Exorbital process [Stachowitsch, 1992] …   Crustacea glossary

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