Taken primarily from Kozloff,
1987, 1996 p. 397, 507 (Copyright 1987, 1996, University
of Washington Press. Used in this web page by permission of University
of Washington Press)
Taxonomic levels from Martin
and Davis, 2001
An excellent alternate, up to date key can be found in
Wicksten,
2009 on page 121.
| Jump to: | ||||
| Lower taxonomic level | Main Page | Alphabetic Index | Systematic Index | Glossary |
| 1a | Antenna 1 about twice as long as the carapace (including the rostrum) | 2 |
| 1b | Antenna 1 about as long as the carapace, or only slightly longer | 3 |
| 2a | Distal half of rostrum with spines on its dorsal edge | Pandalopsis dispar |
| 2b | Distal half of rostrum without spines on its dorsal edge (restricted to deep water) | Pandalopsis ampla |
| 3a | Posterior margin of abdominal segment 4 with a sharp median spine | Pandalus eous |
| 3b | Posterior margin of abdominal segment 4 without a median spine | 4 |
| 4a | Distal half of the scale of antenna 2 narrower than the spine | Pandalus stenolepis |
| 4b | Distal half of the blade of the scale of antenna 2 not narrower than the spine | 5 |
| 5a | Telson with 8-13 pairs of dorsolateral spines; color uniformly pink, with no bands or other markings on legs or body | Pandalus jordani |
| 5b | Telson with 4-6 pairs of dorsolateral spines; legs and/or body with bands or other markings | 6 |
| 6a | Distal half of rostrum with dorsal spines | 7 |
| 6b | Distal half of rostrum without dorsal spines | 8 |
| 7a | Only the anterior half of the carapace (exclusive of the rostrum) with median dorsal spines | Pandalus platyceros |
| 7b | Median dorsal spines extending posteriorly beyond the middle of the carapace (exclusive of the rostrum) | Pandalus hypsinotus |
| 8a | Abdominal segment 3 with a median lobe or spine; rostrum bifid | Pandalus goniurus |
| 8b | Abdominal segment 3 without a median lobe or spine; rostrum trifid | 9 |
| 9a | Median dorsal spines extending slightly posterior to the middle of the carapace (exclusive of the rostrum); dactyl of leg 5 about one-third as long as the propodus; abdomen with irregular brown or red stripes | Pandalus danae |
| 9b | Only the anterior half of the carapace (exclusive of the rostrum) with median dorsal spines; dactyl of leg 5 about 1/5 the length of the propodus; abdomen uniformly pink | Pandalus tridens |
Pandalopsis dispar
Pandalus danae
Pandalus eous
Pandalus goniurus
Pandalus jordani
Pandalus platyceros
Pandalus stenolepis
Pandalus tridens