dcsimg

Comprehensive Description

provided by Smithsonian Contributions to Zoology
Periclimenes ornatus Bruce, 1969

Periclimenes ornatus Bruce, 1969b:266 [type locality: Lung Ha Wan, Hong Kong]; 1982e:252, figs. 11, 12.—Fransen, 1989:136, fig. 3a–i.

DIAGNOSIS.—Integument smooth, not pitted, on lateral areas of carapace and abdomen; rostrum not overreaching antennal scale, rather deep, horizontal, rostral formula 0 + 6–7/0–1, posteriormost tooth not isolated from remainder of dorsal rostral series, situated slightly posterior to level of orbital margin, anterior to hepatic spine; carapace without supraorbital or postorbital tooth, hepatic spine not noticeably larger than antennal spine, arising posteriorly and slightly ventrally to level of latter, not extending beyond anterior margin of carapace, orbital angle acute, not ovate; abdomen without compressed dorsal prominence on 3rd somite, 6th somite about 1 times as long as 5th, telson with 2 pairs of well-developed dorsal spines anterior to posterior margin, at about 0.3 and 0.6 of length; eye with cornea hemispherical, not ogival; antennular peduncle with 1 distolateral tooth on basal segment; antennal scale about 2 times as long as wide, lateral margin straight, distolateral tooth not exceeding distal margin of blade; 4th thoracic stemite with transverse ridge having small closed median notch; 1st pereopod with fingers subspatulate, cutting edges entire; 2nd pereopods similar, subequal, with fingers about as long as palm, carpus about as long as palm, about 1 times longer than wide, without distal spines, merus without distal tooth on flexor margin; 3rd pereopod with dactyl not subdistally truncate, without denticulate lobe on flexor margin, simple, not biunguiculate, flexor margin concave, propodus with small distoventral spine only, not segmented; uropod not overreaching extended telson; maximum postorbital carapace length to about 4.8 mm.

RANGE.—Red Sea, Kenya, Japan, Hong Kong, Indonesia, Great Barrier Reef, Norfolk Island to Marshall Islands.
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bibliographic citation
Chace, Fenner Albert, Jr. and Bruce, A. J. 1993. "The caridean shrimps (Crustacea: Decapoda) of the Albatross Philippine Expedition 1907-1910, Part 6: Superfamily Palaemonoidea." Smithsonian Contributions to Zoology. 1-152. https://doi.org/10.5479/si.00810282.543