Taken primarily from Kozloff, 1987, 1996 p.136 (Copyright 1987, 1996, University of Washington Press. Used in this web page by permission of University of Washington Press)
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| Lower taxonomic level | Main Page | Alphabetic Index | Systematic Index | Glossary |
| 1a | Elytra completely hidden by flexible notosetae that form a feltlike covering over the dorsal surface; protective notosetae (stiff) without barbs near the tips | 2 |
| 1b | Elytra not hidden by flexible notosetae; protective notosetae with barbs near the tips | Laetmonice pellucida |
| 2a | Palps 8 to 11 times the length of the prostomium; tips of neurosetae hairy | Aphrodita longipalpa |
| 2b | Palps 4 to 7 times the length of the prostomium; tips of neurosetae hairy in some species, not in others | 3 |
| 3a | Body with about 27 segments; vantralmost neurosetae with a little spur close to the tip; length not exceeding 2.5 cm | Aphrodita parva |
| 3b | Body with 38 to 43 segments; none of the neurosetae with a spur, although some of the more nearly ventral ones on the more posterior segments have several small teeth; length up to 22 cm | 4 |
| 4a | Distal portion of protective notosetae with minute tubercles; median antenna club-shaped, considerably shorter than the prostomium | Aphrodita neglecta |
| 4b | Distal portion of protective notosetae smooth; median antenna as long as, or longer than the prostomium | 5 |
| 5a | Ventralmost neurosetae coppery or gold; neurosetae sometimes with hairs or short spines | Aphrodita japonica |
| 5b | Ventralmost neurosetae bright green; neurosetae
without hairs or short spines
(Doubtfully distinct from A. japonica) |
Aphrodite refulgida |