FIGURE 6. Synalpheus riosi n in A preliminary revision of the Synalpheus paraneptunus Coutière, 1909 species complex (Crustacea: Decapoda: Alpheidae)

FIGURE 6. Synalpheus riosi n. sp., holotype, breeding female from Prince Rupert Bay, Dominica (USNM 136272) [A– F]; paratype, non-breeding specimen (colony member) (USNM 1116697) [G, H]: A, frontal region, dorsal view; B, third maxilliped, lateral view; C, second pereiopod, lateral view; D, third pereiopod, lateral view; E, abdomen, lateral view; F, telson and uropods, dorsal view; G, frontal region, dorsal view; H, second pereiopod, lateral view. Scale bar: 0.5 mm (A– D, F–H), 1 mm (E).