Periclimenes gracilis (Dana 1852)

Periclimenes gracilis (Dana, 1852)

Anchistia gracilis Dana, 1952a:25; [type locality: Sulu Sea]; 1952b:578; 1955, pl. 37: fig. 5.—Bruce and Svoboda, 1984:97.—Bruce, 1989b:180, fig. 4B.

DIAGNOSIS.—Integument smooth, not pitted, on lateral areas of carapace and abdomen; rostrum not overreaching antennal scale, palaemonoid, horizontal, rostral formula 0 + 5–6/1, posteriormost tooth not isolated from remainder of dorsal rostral series, situated anterior to level of hepatic spine; carapace without supraorbital or postorbital spine, hepatic spine arising posteroventral to antennal spine, not extending beyond anterior margin of carapace; abdomen without compressed dorsal prominence on 3rd somite; eye with cornea hemispherical, not produced distally; antennular peduncle with 1 distolateral spine on basal segment; antennal scale with distolateral tooth not nearly reaching level of distal margin of blade; 1st pereopod overreaching antennal scale; 2nd pereopod with fingers about as long as palm, carpus about as long as palm, about 1 times as long as distal width, with 2 distal spines, merus with distal tooth on flexor margin; 3rd pereopod with dactyl not subdistally truncate, without denticulate lobe on flexor margin, biunguiculate (?), flexor margin somewhat sinuous, propodus with spinules on flexor margin, not segmented; postorbital carapace length about 3 mm.

RANGE.—Known with certainty only from the type locality in the Sulu Sea.