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Original Articles

The structure and organization of the gills of gammaridean Amphipoda

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Pages 1247-1258 | Accepted 06 Jun 1991, Published online: 17 Feb 2007
 

Abstract

The gills of gammaridean amphipods consist of epipods on the coxa of peraeopods 2 to 6 and an exopod on the basis of peraeopod 7. Bilobed coxal gills are found on Gammaracanthus spp., lysianassoids and a few other species. Pleated and phyllobranchiate gills are found in some lysianassoids, dexaminoids and eusiroids. The trend in amphipods is towards a reduction in gill area through a loss of the outer lobe, simplification in gill structure, and a loss of individual gills. The reduction in gill area is associated with a decrease in body size.

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