Vercoia, Baker, 1904

Kim, Jung Nyun & Yoshihisa, Fujita, 2004, A new species of the genus Vercoia from Okinawa Island, Japan (Crustacea, Decapoda, Caridea, Crangonidae), with descriptions of its zoeal stages, Journal of Natural History 38 (16), pp. 2013-2031 : 2021

Key to species of Vercoia (adult females)

1 Anterolateral margin of supraorbital expansion of rostrum smooth; posterior part of carapace without lateral carinae; third to fifth abdominal somites without median carina............. V. japonica Komai, 1995

– Anterolateral margin of supraorbital expansion of rostrum with distinct concavity; posterior part of carapace with lateral carinae; third to fifth abdominal somites with median carina............. 2

2 Distolateral tooth of scaphocerite acute; compressed merus of second pereopod extremely enlarged, leaf-like; uropodal exopod without distolateral spine..................... V. socotrana Duris, 1992

– Distolateral tooth of scaphocerite inconspicuous; compressed merus of second pereopod moderately broad, not leaf-like; uropodal exopod with distolateral spine 3

3 Anterior expansion of hepatic carina bilobed; mid-dorsal carina of fifth abdominal somite interrupted by distinct notch; ischium of second pereopod armed with distoventral tooth......... V. interrupta sp. nov.

– Anterior expansion of hepatic carina entire; mid-dorsal carina of fifth abdominal somite entire; ischium of second pereopod unarmed on distoventral corner...................... V. gibbosa Baker, 1904