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 the carapace [Perez Farfante and Kensley, 1997].
Spine (in shrimps) located on anteroventral margin of carapace and ventral to branchiostegal spine [Hobbs and Jass, 1988].
Spine at anterolateral (anteroventral) corner or border of carapace in shrimps (Fig. 2) [Williams, 1984].
Spine located at anterolateral region of carapace [Butler, T.H.].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • pterygostomian carina — Ridge running posterior to pterygostomian spine on antero ventral part of carapace [Perez Farfante and Kensley, 1997] …   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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