Key:  Family Pandalidae

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.
 

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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 mediandorsal spines	Pandalus platyceros
7b	Mediandorsal 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	Mediandorsal 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 mediandorsal 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 platyceros
  Pandalus stenolepis
  Pandalus tridens