Periclimenes platycheles Holthuis 1952

Periclimenes platycheles Holthuis, 1952

Periclimenes (Harpilius) platycheles Holthuis, 1952c:85, fig. 33 [type locality: the 2 syntypes came from two different Indonesian localities: Pulau Fau west of Pulau Gebe, Halmahera Sea (31 m) and off Atiationim, Western New Guinea (to 57 m)].—Miyake and Fujino, 1968:409, fig. 3c–f.

Periclimenes platycheles.—Bruce, 1983d:210.

DIAGNOSIS.—Integument smooth, not pitted, on lateral areas of carapace and abdomen; rostrum slightly overreaching antennal scale, slender, directed anterodorsad in anterior , rostral formula 1 + 5–6/5–6, posteriormost tooth not isolated from remainder of dorsal rostral series, situated slightly posterior to level of hepatic spine; carapace without supraorbital or postorbital spine, hepatic spine not noticeably larger than antennal spine, arising posteroventral to latter, not extending beyond anterior margin of carapace, orbital angle broadly rounded, not spatulate; abdomen with 6th somite 1 times as long as fifth; telson with 2 pairs of dorsolateral spines anterior to posterior margin, anterior pair arising anterior to mid-length; eye with cornea hemispherical, not produced distally; antennular peduncle with 1 distolateral spine on basal segment; antennal scale 4 times as long as wide, lateral margin deeply concave, distolateral spine distinctly overreaching truncate distal margin of blade; 4th thoracic sternite with slender median process; 1st pereopod overreaching antennal scale by length of chela, fingers not pectinate on opposable margins; 2nd pereopod with fingers as long as palm, carpus more than 7 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, simple, not biunguiculate, flexor margin concave, propodus with spinules on flexor margin, not segmented; 5th pereopod overreaching antennal scale; uropod overreaching extended telson; maximum postorbital carapace length less than 3 mm.

RANGE.—Indonesia; Queensland, Australia; and Palau Islands.

*148. Periclimenes psamathe (De Man, 1902)

Urocaris psamathe De Man, 1902:816, pl. 25: fig. 51 [type locality: Ternate].

Periclimenes (Harpilius) psamathe.—Holthuis, 1952c:61, fig. 23.—Monod, 1976:14, figs. 1–28.

Periclimenes psamathe.—Bruce and Svoboda, 1984:94.

DIAGNOSIS.—Integument smooth, not pitted, on lateral areas of carapace and abdomen; rostrum far overreaching antennal scale, slender, slightly crested above orbit, directed sinuously anteriorad or anterodorsad, rostral formula 1 + 2 + 2 + 1/0, distoventral margins of 3 posterior teeth finely serrate, posteriormost tooth isolated from remainder of dorsal rostral series, situated variably posterior to level of hepatic spine; carapace without supraorbital or postorbital spine, hepatic spine not noticeably larger than antennal spine, arising posterior or posterodorsal to latter, not extending beyond anterior margin of carapace, orbital angle variably produced anteriorly, sometimes subspatulate; abdomen without compressed dorsal prominence on 3rd somite, 6th somite about 3 times as long as 5th; telson with 2 pairs of dorsolateral spines anterior to posterior margin, both pairs arising in posterior of length; eye with cornea hemispherical, not produced distally; antennular peduncle with 1 distolateral spine on basal segment; antennal scale 4 times as long as wide, lateral margin nearly straight, distolateral tooth not nearly reaching level of distal margin of blade; 4th thoracic sternite without slender median process; 1st pereopod overreaching antennal scale by length of chela, fingers pectinate on opposable margins; 2nd pereopods grossly unequal, major chela with fingers about as long as palm, carpus 2 times as long as palm, nearly 25 times as long as distal width, 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 rather deeply concave distally, propodus with spinules on flexor margin, not segmented; 5th pereopod overreaching antennal scale; uropod overreaching extended telson; maximum postorbital carapace length more than 7 mm.

MATERIAL.—PHILIPPINES. Off Jolo Island, Sulu Archipelago; sta 5141; 6°09′N, 120°58′E; 53 m; coral sand; 15 Feb 1908 (0847–0905); 12′ Agassiz beam trawl, mud bag: 1 male [1.9] 2 ovig females [4.2, 4.3]; sta 5145; 6°04′30″N, 120°59′30″E; 42 m; coral sand, shells; 15 Feb 1908 (1344–1359); 12′ Agassiz beam trawl, mud bag: 3 females [4.0–5.3], 2 ovig [4.0, 5.3].

RANGE.—Eastern Africa to South China Sea, Japan, Philippines, Great Barrier Reef of Australia, New Caledonia, and Marshall Islands; associated with gorgonians.