- postrostral
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adj.
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Universalium. 2010.
postrostral
Look at other dictionaries:
postrostral — one of the superficial dermal bones covering the upper face of the ethmoid in front of the eye behind the rostrals in certain Holostei … Dictionary of ichthyology
postrostral — adj … Useful english dictionary
postrostral carina — See: carapace carina (f) [Martin, 2005]. Dorsomedian ridge extending posteriorly from the base of the rostrum, sometimes nearly reaching the posterior margin of the carapace (Fig. 2A) [Perez Farfante and Kensley, 1997]. (Order Decapoda): See:… … Crustacea glossary
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
naso-postrostral — nasal bone … Dictionary of ichthyology
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
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
