Nepanamixis Thomas, 1997 Nepanamixis Thomas, 1997: 73. Type-species. Nepanamixis dianthus Thomas, 1997, original designation. Diagnosis. (Terminal males) Antennae relatively short, eyes with 9 scattered ocelli, head margins rounded. Maxilliped inner plates partially fused, outer plates with inner lobes present, sometimes reduced. Coxa 1 moderately reduced. Gnathopod 1 carpus basally inflated, inner margin cuspate, apex of propodus sometimes with terminal spine or bulbous process. Coxae 2–3 smooth; distal margin of coxa 4 distally produced or crenulate. Gnathopod 2 propodus with 2 mediofacial setal rows. Telson long, 1.8–2.0 x longer than wide. Relationships. Differing from Leucothoe and Paraleucothoe in the reduced mouthparts, reduced coxa 1, and extreme sexual dimorphism. Differing from Anamixis and Paranamixis in the relatively shorter antennae, less numerous ocelli, larger coxa 1, expanded gnathopod 1 carpus, gnathopod 2 with two mediofacial setal rows, and longer telson. Species. Nepanamixis dianthus Thomas, 1997; Nepanamixis grossimana (Ledoyer, 1978a); Nepanamixis torreanus Thomas, 1997; Nepanamixis vectoris Thomas, 1997. Other records. Nepanamixis sp. A Jansen & Dinesen, 2002: 269, fig. 2a–c; Nepanamixis spp. (leucomorphs) Jansen & Dinesen, 2002: 268. Habitat and Distribution. Marine, Indo–Pacific, Western Pacific, Caribbean, Mauritius to Belize, Andaman Sea, 0–25 m, among coral reefs, coral rubble, and algae, 4 species.

Published as part of White, Kristine N., 2011, A taxonomic review of the Leucothoidae (Crustacea: Amphipoda) 3078, pp. 1-113 in Zootaxa 3078 (1) on pages 23-24, DOI: 10.11646/zootaxa.3078.1.1, http://zenodo.org/record/5243821