postrostral spine
(Order Decapoda):
See: carapace spines (f) [McLaughlin, 1980].
(Order Decapoda):
In shrimp-like (natantian) decapod, anteriorly directed, spine-like projection on carapace directly behind rostrum [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • spine — ( ) [Baba, 2005]. Carapace, spines, based on Munida. [Baba, 2005] ( ) [Baba, 2005]. Anterior part of carapace, including ocular peduncles, based on Munidopsis. [Baba, 2005] A cuticular outgrowth without a recognizable basal articulation [Ingle,… …   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 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 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

  • carapace groove — Furrow on surface of decapod, generally dorsal named types: a) antennal. Furrow on carapace extending backward from vicinity of antennal spine. b) branchiocardiac. Oblique furrow approximately in middle of posterior half of each side of carapace …   Crustacea glossary

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