Pandalopsis, Spence Bate, 1888

Komai, Tomoyuki & Hibino, Mai, 2019, Three new species of the pandalid shrimp genus Pandalopsis Spence Bate, 1888 (Crustacea: Decapoda: Caridea) from the southwestern Sea of Okhotsk, with supplemental note on P. glabra Kobjakova, 1936, Zootaxa 4545 (1), pp. 1-31 : 26

Key to species of Pandalopsis (excluding a juvenile form P. profunda )

1. Carapace covered with dense pubescence and with distinct longitudinal ridge on branchial region; [rostrum unarmed on distal half of dorsal margin except for 1 or 2 subterminal spines]............................................. P. aleutica

1. Carapace without covering of dense pubescence (scattered short setae may be present), no conspicuous longitudinal ridge on branchial region....................................................................................... 2

2. Carapace with 2 or 3 postrostral spines in anterior 0.2; pereopod 3 not reaching distal margin of antennal scale; [rostrum unarmed on distal half of dorsal margin; posteriormost spine on rostral ventral margin larger and more erect than preceding one, making peak]............................................................................. P. pacifica distinctly arched over eyes, armed with spines in distal half, posteriormost spine on ventral margin smaller than preceding one].............................................................................................. P. dispar