Palaemon serrifer (Stimpson 1860)

Palaemon serrifer (Stimpson, 1860)

Leander serrifer Stimpson, 1860:41 (type localities: Hong Kong and O Shima; littoral).

Leander Fagei Yu. 1930:555, 561, fig. 2 [type locality: Shandong Peninsula].

Leander serrifer var. longidactylus Yu, 1930:555, 570, fig. 4B′C' [type localities: “Yangmatoa,” Peitaiho, “Tangkou,” and Yent'ai (Chefoo), China].

Palaemon (Palaemon) serrifer.—Holthuis, 1950a:83, fig. 18.

DIAGNOSIS.—Rostrum often nearly horizontal, sometimes ascending in anterior , often tapering directly to acute apex, rostral formula: 2–3 + 7–13/3–5; basal antennular segment with distolateral spine barely, if at all, overreaching adjacent convex distal margin of segment; dorsal antennular flagellum with free part of shorter branch 3 times as long as fused part; 1st pereopod with carpus about l times as long as chela; 1st pleopod of male without appendix arising from margin of endopod; maximum postorbital carapace length probably about 10 mm.

RANGE.—India. Burma, Thailand, Taiwan, China, Korea, Vladivostok, and Japan and Indonesia and northern Australia; littoral marine waters.

*Urocaridella Borradaile, 1915

Urocaridella Borradaile, 1915:207 [type species, by monotypy: Urocaridella gracilis Borradaile, 1915:210 (= Leander urocaridella Holthuis. 1950a:6, 28); gender feminine].

DIAGNOSIS.—Rostrum armed with 2 strong basal teeth elevated into semblance of crest; carapace with strong median tooth at about mid-length of dorsal surface, with submarginal branchiostegal spine, without hepatic spine or branchiostegal suture; mandible with or without palp; 3 posterior pairs of pereopods with dactyl simple, not biunguiculate, shorter than propodus; endopod of male 1st pleopod with marginal appendix.

RANGE.—Maldive Islands, India, Andaman Islands, Mergui Archipelago, Indonesia, Japan, Palau Islands; sublittoral to 130 meters.

Palaemon serrifer is a species of shrimp of the family Palaemonidae.