- orbital region
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Narrow space bordering upper margin of orbit; not always distinguishable [Williams, 1984].One of two relatively narrow regions along anterior margin of carapace; corresponds to to point of projection of eyestalks. Adjoining regions include frontal, antennal or hepatic, and gastric regions [Stachowitsch, 1992].Paired areas on carapce adjacent to orbits [Butler, T.H.].Paired areas on the carapace just posterior to the eyes [Perez Farfante and Kensley, 1997].The paired areas on the carapace adjacent to the orbits [Chace and Hobbs, 1969].The region on the dorsal surface of the carapace bounded by the part of the margin of the front and parts of margins of the frontal, protogastric and hepatic regions [Ingle, 1983].(Order Decapoda):(Order Decapoda):One of two relatively narrow regions along anterior margin of carapace; corresponds to to point of projection of eyestalks. Adjoining regions include frontal, antennal or hepatic, and gastric regions [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.