Key to species of Halocaridinides Fujino & Shokita, 1975 1. Rostrum acute; eyes with some pigment.................................................................... 2 - Rostrum blunt; eyes without any pigment; one spine at uropodal diaeresis; endopod of first pleopod in males devoid of marginal setae........................................................................ H. socotraensis sp. nov. 2. Endopod of male pleopod 1 shorter and more slender than exopod, gradually tapering distally, tip blunt; number of spines at uropodal diaeresis 1–9.............................................. H. trigonophthalma (Fujino & Shokita, 1975) - Endopod of male pleopod 1 approximately ½ length of exopod, broad and rounded distally; number of spines at uropodal diaeresis 1–3................................................... H. fowleri (Gordon, in Gordon & Monod, 1968)

Published as part of Fransen, Charles H. J. M. & Damme, K. Van, 2018, A new stygobiont species of Halocaridinides Fujino & Shokita, 1975 (Crustacea, Decapoda, Caridea, Atyidae) from caves on Socotra Island (Yemen), with notes on the genus, pp. 241-261 in Zootaxa 4442 (2) on page 257, DOI: 10.11646/zootaxa.4442.2.3, http://zenodo.org/record/1303084