Ekpontocypris litoricola admirantensis (Maddocks 1969)

Propontocypris (Ekpontocypris) litoricola admirantensis

ETYMOLOGY.—For the Admirante Islands.

TYPE-SPECIMENS.—Holotype USNM 121157, paratype USNM 121158.

TYPE-LOCALITY.—Sample LK–49 (washings of sea grass near reefs), Resource I. near St. Joseph I., Admirante Archipelago.

MATERIAL.—Two mature males and one female collected living from station LK–49, Admirante Islands.

DIMENSIONS.—Adult male USNM 121157: left valve, length 0.99 mm, greatest height 0.53 mm, located 0.49 mm from anterior, thickness 0.28 mm; right valve, length 1.01 mm, greatest height 0.53 mm, located 0.48 mm from anterior, thickness 0.28 mm.

DIAGNOSIS.—This subspecies is extremely similar in carapace shape and appendage morphology to P. (E.) litoricola litoricola, new subspecies from Nosy Bé. It differs from this population in the following characters: larger size; one seta of ventrodistal clump on basal podomere of mandibular palp without visible feathering; proximal barb of pectinate seta of third thoracic leg not preceded by tiny vestigial barb, not quite as enlarged, succeeding gap empty or occupied by a much reduced barb; furca with median seta less than half as long as proximal claw; anterior tip of copulatory organ a swollen subquadrangular lobe, lateral flap not extending beneath ventral outline.