14 (8) Third maxillipeds with exopod Dichelopandalus leptoceras 



Figure 30. — Dichelopandalus leptoceras: A, carapace, lateral view; B, third maxilliped showing slender simple exopod at base. 



14 (8) Third maxillipeds without exopod Pandalus A 



A (14) Abdomen with small median spine on posterior edge of third and fourth 



segments P. borealis 



Figure 31.— Pandalus borealis: A, carapace, lateral view; B. abdomen, lateral view; C. third maxilliped. 



A (14) Abdomen with no median spines on segments B 



B (A) Distolateral spine of antennal scale exceeding extremely narrowed blade; 



rostrum upturned at about 45° angle P. propinquus 



Figure 32. — Pandalus propinquus: carapace and antennal scale, lateral view. 



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