postorbital carina
See: carapace carina (h) [Martin, 2005].
(Order Decapoda):
See: carapace carinae (h) [McLaughlin, 1980].
(Order Decapoda):
On each side of carapace, narrow ridge slightly posterior and parallel to margin of orbit [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • carina — 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

  • carapace carina — Narrow ridge on surface of carapace (cf. decapod carapace and stomatopod integumental ornamentation) [McLaughlin, 1980]. Narrow ridge variously located on surface of decapoda carapace named types: a) antennal. Narrow ridge extending backward from …   Crustacea glossary

  • carapace spine — Sharp projection of carapace important for classification chief types: (a) antennal. Spine on front margin of carapace slightly below orbit. (b) branchiostegal. Spine on front margin of carapace or slightly behind it about halfway between… …   Crustacea glossary

  • carapace spines — (Order Decapoda): (a) antennal. On anterior margin slightly below orbit. (b) branchiostegal. On or clsoe to anterior margin medially between antennal and pterygostomial spines. (c) hepatic. Below and posterior to lower branch of cervical groove.… …   Crustacea glossary

  • carapace carinae — (Order Decapoda): (a) antennal. Extending posteriorly from antennal spine. (b) branchial. Extending posteriorly from orbit over branchial region. (c) branchiocardiac. Dividing branchial from cardiac region. (d) gastroorbital. Extending… …   Crustacea glossary

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