G.O. Sars, 1869
— Generic features. General form somewhat short and thick. Carapace with very short triangular rostrum; posterior margin emarginate.
Antennal scale with outer margin naked, usually ending in a spine.
Endopods of the thoracic limbs moderately long with the combined carpopropodus divided into four to five subsegments; dactylus with a strong nail. Pleopods in the female small, rudimentary; in the male the first two pairs are rudimentary as in the female but larger; third pair with large sympod, simple unsegmented or two-segmented endopod and the expod, if present, extremely small and knob-like; fourth pair with a two-segmented sympod; endopod small, two-segmented; exopod long, five- or six-segmented with two long modified setae on the distal segments; fifth pair well developed, biramous, multiarticulate and natatory. Uropod long and narrow; inner margin of endopod armed with a row of spines.
Telson small and narrow, with a cleft which is armed with a close row of teeth or truncate, with or without a slight median emargination.
Marsupium consisting of a pair of large brood lamellae on each of the seventh and eighth thoracic segments and a very small anterior pair on the sixth segment.
— Species description not available.
See remarks on Hemimysis lamornae (Couch, 1856).
Distribution in the North Sea
West off Norway, Skagerrak.
E North Atlantic: 44-70°N; Mediterranean; Black Sea; shelf, slope.
[After Tattersall and Tattersall, 1951]