Taken primarily from Kozloff,
1987, 1996 p. 348 (Copyright 1987, 1996, University of
Washington Press. Used in this web page by permission of University
of Washington Press)
Original key created by Craig P. Staude (see reference
above)
| Jump to: | ||||
| Lower taxonomic level | Main Page | Alphabetic Index | Systematic Index | Glossary |
| Uropod 3 with a single ramus which never greatly exceeds the length of the peduncle (if there is a second ramus, it is scarcely noticeable) | Proceed to Key I |
| Uropod 3 biramous; both rami shorter than the peduncle (photo) | Proceed to Key II |
| Uropod 3 biramous; at least one ramus equal to or longer than the peduncle | Proceed to Key III |
| Uropod 3 absent or lost | Proceed to Key IV |
(All keys above refer to gammarid amphipods--consult the individual keys)