Nepanamixis dianthus Thomas, 1997

White, Kristine N., 2011, A taxonomic review of the Leucothoidae (Crustacea: Amphipoda) 3078, Zootaxa 3078 (1), pp. 1-113 : 24

Nepanamixis dianthus Thomas, 1997

Nepanamixis dianthus Thomas, 1997: 74–77 , figs 19, 20.

Type locality and specimens. Carrie Bow Cay , Belize. Holotype, anamorph male, 2.44 mm, USNM 243334 ; paratypes anamorph male, 2.39 mm, USNM 243335 , leucomorph males, 2.52 mm, USNM 243336 , 2.00 mm, USNM 243337 , leucomorph female, 1.93 mm, USNM 243338 .

Material examined. No material available for examination. Diagnosis based on description by Thomas (1997).

Diagnosis. Gnathopod 1 carpus inflated, inner margin cuspate. Gnathopod 2 carpus with serrate lateral ridge; propodus elongate. Coxa 4 ventral margin crenulate.

Leucomorph (juvenile/sexually dimorphic characters). Male. Mouthparts well developed. Coxae 1–2 relative widths 1.0: 2.6. Gnathopod 1 coxa distal margin setose with projection; carpus length 5.2 x width, proximal margin smooth, terminal ornamentation consisting of four terminal spines; propodus posterior margin with a short, thick spine-seta; palm dentate; dactylus with proximal notch, between 0.1 and 0.2 x propodus length. Gnathopod 2 carpus 0.6 x propodus length, straight, distally rounded, anterior margin smooth; propodus posterior margin with spines/serrations, with one mediofacial setal row above midline, palm sub-rectangular with 1–6 major tubercles; dactylus reaching 0.5–0.7 x propodus length. Female: Gnathopod 2 smaller, propodus palm more oblique and slightly excavate.

Note. Leucomorphs were confirmed by Thomas [1997] from rearing experiments.

Habitat. Among coral rubble; 1–2 m.

Host. Unknown.

Distribution. Caribbean Sea: Belize ( Thomas 1997).