- 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. Natural History Museum of Los Angeles County. 2011.