Leucothoe adelphe White & Thomas, 2009: 498–501, figs 3, 4.

Type locality and specimens. Three Sisters Bommie, Yonge Reef, Lizard Island 14°36.104'S 145°37.126'E. Holotype, male, 1.6 mm, AM P 71436; paratype, female, 1.9 mm, AM P 71271.

Material examined. 3 males, AM P 79819. Diagnosis based on description by White & Thomas (2009).

Diagnosis. Anterodistal head margin rounded with cusp. Ventral cephalic keel transverse. Gnathopod 1 basis slightly inflated, bare; dactylus reaching 0.1 x propodus length. Gnathopod 2 basis stout, widened distally; carpus distally truncate, smooth; propodus palm convex with four blunt projections. Pereopods 5–7 bases narrow. Uropods 1–3 rami lined with short setae. Telson, apex with weak point.

Female (sexually dimorphic characters). Gnathopod 1 carpus proximal margin without strong dentitions, weakly dentate anterodistally; propodus palm with fewer dentitions. Gnathopod 2 basis anterior margin with two long and two short setae, anterodistal margin with row of four short setae; propodus mediofacial setal row with fewer setae; submarginal setal row with five setae; dactylus distally acute.

Habitat. Among coral rubble and fibrous brown algae; 6– 20 m.

Host. Unknown.

Distribution. Pacific Ocean: Lizard Island, Australia (White & Thomas 2009).