Alpheus gallicus Scioli & Anker 2020, n. sp.

Alpheus gallicus n. sp. (Figs. 1–4) Alpheus cf. macrocheles — Cartes et al. 2014: 168 (Table 1) [not Alpheus macrocheles (Hailstone, 1835)]. (?) Alpheus macrocheles— García Raso 1996: 735 [not Alpheus macrocheles (Hailstone, 1835), see discussion below]. Type material. Holotype: male (cl 11.5 mm), OUMNH. ZC.2017-01-061, Spain, Galicia Bank, expedition INDE- MARES 0711, sta. V11, 42º44.209’N 11º46.352’W, depth: 768 m, beam trawl, leg. J.E. Cartes et al., 9 August 2011. Paratypes: 1 female (CL 13 mm), OUMNH. ZC.2017-01-062, same collection data as for holotype; 1 female (cl 11.25 mm), OUMNH. ZC.2017-01-063, same collection data as for holotype; 1 female (cl 11.9 mm), ICM 002618, same collection data as for holotype; 1 male (cl 9.6 mm), ICM 002619, Spain, Galicia Bank, expedition INDE- MARES 0711, sta. GOC3, 42º38.972’N 11º49.092’W, depth: 785 m, otter trawl / 2-doors trawl, leg. J.E. Cartes et al., 30 July 2011. Diagnosis. Species of Alpheus macrocheles species group. Frontal margin of carapace with well-developed rostrum and orbital teeth; rostrum distally acute, about 1.3 times as long as wide at base, tip not reaching halflength of first article of antennular peduncle; orbital teeth narrow and acute; stylocerite of antennule not reaching distal margin of first article or antennular peduncle; second antennular article slender, four times as long as wide; scaphocerite with shallowly concave lateral margin, stout distolateral tooth, reaching far beyond distal margin of narrow blade; third maxilliped not especially modified; major cheliped much larger and stouter than minor cheliped; major cheliped ischium with small spiniform seta on ventromesial margin; major cheliped merus with several small spiniform setae on ventromesial margin and acute distomesial tooth; major chela with distinct inferior plaque and superior crests separated by superior and inferior grooves, as well as with superior and inferior transverse grooves; superior and inferior crests ending distally in acute, anteriorly directed teeth; distal ...