pterygostomian region
See: carapace region (k) [Martin, 2005].
Anteroventral area of the carapace [Perez Farfante and Kensley, 1997].
Paired anteroventral are of carapace ventral to antennal region [Hobbs and Jass, 1988].
The paired anterolateral area on the lateroventral surface of the carapace of crabs on each side of the mouth area [Chace and Hobbs, 1969].
The paired anteroventral area of the carapace lateral to the mouth area [Hobbs, Hobbs, and Daniel 1977].
The region on the ventral surface of the carapace bounded by the margin of the subhepatic region, the lateral margin of the buccal cavity and the branchiostegite margin [Ingle, 1983].
Triangular space on ventral surface of carapace, on either side of buccal cavity in Brachyura. Region at anterolateral corner of carapace in shrimps [Williams, 1984].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • pterygostomian spine — See: carapace spine (g) [Martin, 2005]. A spine borne on the anteroventral margin of the carapace, ventral to the branchiostegal spine (in shrimps) [Hobbs, Hobbs, and Daniel 1977]. Marginal spine arising from the anteroventral angle or border of… …   Crustacea glossary

  • branchiostegal spine — See: carapace spine (b) [Martin, 2005]. See: carapace spines (b) [McLaughlin, 1980]. A short spine located on or near the anterior margin of the carapace, ventral to the antennal spine in the shrimps; in crayfishes, immediately ventral to the… …   Crustacea glossary

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