Synalpheus paraneomeris Coutière 1905

Synalpheus paraneomeris Coutière, 1905

Synalpheus paraneomeris Coutière, 1899:456, 466, 486, 501 [nomen nudum]; 1905:872, pl. 71: fig. 7 [type locality: the type series apparently came from Goidu Island in the Maldives and Minicoy, southernmost island of the Laccadives, as well as from Djibouti in the Gulf of Aden, Masqat in the Gulf of Oman, and Mahe Island in the Seychelles].—D.M. and A.H. Banner, 1975:383, fig. 29.—A.H. and D.M. Banner, 1983:103.—D.M. and A.H. Banner, 1985:52.

S[ynalpheus] paraneomeris prolatus Coutière, 1909:9 [nomen nudum].

S[ynalpheus] paraneomeris oxyceros Coutière, 1909:9 [nomen nudum].

Synalpheus townsendi Coutière, 1909:34 [part; syntype without pereopods from French Frigate Shoals, Hawaii, determined to be S. paraneomeris by A.H. Banner, 1953:44, fig. 14; “type” designated by Coutière (USNM 38392) represented by 11 specimens from northeastern Gulf of Mexico]. Synalpheus paraneomeris, var. halmaherensis De Man, 1909a:122 [type locality: “Wunoh-bay,” northwest coast of Pulau Waigeo, Irian Java, Indonesia].

Synalpheus paraneomeris, var. praedabunda De Man, 1909a:123 [type locality: the type series came from 4 different stations in Indonesia; reef to 27 meters].

Synalpheus paraneomeris var. prolatus De Man, 1911:241, pl. 8: fig. 35 [type locality: “Wunoh-bay,” northwest coast of Pulau Waigeo, Irian Jaya, and Pulau Kabaena, Celebes, Indonesia; shallow water (doubtfully referred to the nomen nudum S. paraneomeris prolatus Coutière, 1909)].

Synalpheus Sluiteri De Man, 1920:107 [type locality: Teluk Djakarta, Java].

S[ynalpheus] paraneomeris praslini Coutière, 1921:415, pl. 61: fig. 6 [type locality: Praslin Island, Seychelles; reef].

S[ynalpheus] paraneomeris seychellensis Coutière, 1921:415, pl. 61: fig. 7 [type locality: Seychelles].

DIAGNOSIS.—Rostrum not overreaching 1st antennular segment, apex not upturned, narrower at base than orbital teeth; 6th abdominal somite not projecting posteriorly either side of base of telson, posterior margin unarmed mesially; telson with dorsolateral spines small but distinct, both pairs frequently situated in posterior of telson, posterior angles usually subrectangular; stylocerite overreaching 1st antennular segment; basal antennal segment (basicerite) not overreaching stylocerite, dorsal margin usually not produced; antennal scale usually with well-developed blade, major chela with movable finger not appreciably overreaching fixed finger, palm slightly produced distally at level of articulation with movable finger; minor chela without patterned row of setae on extensor surface of movable finger, each finger terminating in single tooth; 2nd pereopod with 5 carpal articles; 3rd pereopod with dactyl biunguiculate, flexor tooth usually considerably stouter than extensor tooth, segment usually with bulge on margin proximal to flexor tooth, merus unarmed on flexor margin; uropod with transverse articulation on lateral branch; maximum carapace length to base of rostrum about 5 mm.

RANGE.—Red Sea and western Indian Ocean to (Thailand excepted ?) Japan (variety ?), Philippines, Indonesia, Australia, and the Pacific islands at least as far eastward as Hawaii; shallow subtidal to 126 meters.

*115. Synalpheus pescadorensis Coutière, 1905

Synalpheus Pescadorensis Coutière, 1905:877, pl. 73: fig. 15 [type locality: Miladummadulu, Nilandu, and Male atolls, Maldive Islands, and P'enghu Lichtao (Pescadores), Formosa Strait].

Synalpheus pescadorensis.—D.M. and A.H. Banner, 1975:301, fig. 6

DIAGNOSIS.—Rostrum not nearly reaching level of distal margin of 1st antennular segment, apex upturned, narrower at base than orbital teeth; 6th abdominal somite with acute projection either side of base of telson, posterior margin unarmed mesially; telson with dorsal spines unusually large, anterior pair slightly smaller than posterior pair and situated in anterior of telson, posterior angles subrectangular; stylocerite not overreaching 1st antennular segment; basal antennal segment (basicerite) with ventrolateral tooth overreaching stylocerite, armed dorsally with long, spinose tooth, not accompanied by 2nd, proximal tooth; antennal scale with blade narrow but not vestigial; major chela with movable finger overreaching fixed finger, palm terminating in convex projection armed with acute tooth at level of articulation with movable finger, minor chela without patterned row of setae on extensor margin of movable finger, latter terminating in 2 teeth, fixed finger in 1; 2nd pereopod with 5 carpal articles; 3rd pereopod with dactyl biunguiculate, extensor tooth slightly longer than flexor tooth, segment neither excavate nor swollen on flexor margin proximal to flexor tooth, merus unarmed on flexor margin; uropod without transverse articulation on lateral branch, protopod with unusually long lateral tooth reaching nearly or quite to midlength of lateral branch; maximum carapace length of carapace to base of rostrum probably about 6 mm.

MATERIAL.—PHILIPPINES. Southwest of Manila Bay, Luzon: sta 5109; 14°13′45″N, 120°16′30″E; 18 m; coral; 15 Jan 1908 (1026–1038); 9′ Albatross-Blake beam trawl (trawl immediately torn on coral): 1 [5.3]. Davao Gulf, Mindanao: sta 5250; 7°05′07″N, 125°39′45″E; 42 m; coral, sand; 18 May 1908 (1124–1127); 6′ Johnston oyster dredge: 1 [4.3]; sta 5253; 7°04′48″N, 125°39′38″E; 51 m; coral; 18 May 1908 (1347–1358); 6′Johnston oyster dredge: 1 [4.1].

RANGE.—Somalia to Formosa Strait, Philippines, Indonesia, Australia, and the Caroline and Solomon Islands; shallow water to 51 meters.

116. Synalpheus quadriarticulatus D.M. and A.H. Banner, 1975

Synalpheus quadriarticulatus D.M. and A.H. Banner, 1975:297 fig. 5 [type locality: between Hammond and Waiwea islands, Torres Strait, Queensland, Australia; 3 meters, in sponge].

DIAGNOSIS.—Rostrum not nearly reaching level of distal margin of 1st antennular segment, apex not upturned, narrower at base than orbital teeth; 6th abdominal somite not projecting posteriorly either side of base of telson, posterior margin unarmed mesially; telson with dorsolateral spines distinct, anterior pair situated near midlength of telson, posterior angles subquadrangular; stylocerite not overreaching 1st antennular segment; basal antennal segment (basicerite) with ventrolateral tooth overreaching stylocerite, armed dorsally with prominent spine-like tooth, not accompanied by 2nd, proximal tooth; antennal scale without blade; major chela with movable finger slightly overreaching fixed finger, palm terminating distally in tubercle armed with acute tooth at level of articulation with movable finger, minor chela without patterned row of setae on extensor margin of movable finger, each finger terminating in single tooth; 2nd pereopod with 4 carpal articles; 3rd pereopod with dactyl biunguiculate, extensor tooth longer and more slender than flexor tooth, segment neither excavate nor swollen on flexor margin proximal to flexor tooth, merus unarmed on flexor margin; uropod without traverse articulation on lateral branch; maximum carapace length to base of rostrum about 4 mm.

RANGE.—Known previously only from the type series from the vicinity of Thursday Island, Torres Strait, at a depth of about 3 meters. The Philippine record stems from 7 Smithsonian specimens collected by the Alpha Helix at station M–136 in Pujada Bay, southeastern Mindanao, 9–18 meters, 21 July 1979, and identified by A.H. Banner in 1983.

*117. Synalpheus quadrispinosus De Man, 1910

Synalpheus quadrispinosus De Man, 1910:298 [type locality: the type series came from 5 stations in southern and eastern Indonesia; 13–70 meters]; 1911:285, pl. 12: fig. 57.—A.H. Banner, 1958:161.

Synalpheus quadridens De Man, 1910:299 [type locality: off northeast point of Timor, Indonesia, 8°25.2'S, 127°18.4′E; 27–54 meters]; 1911:284, pl. 12: fig. 56.

DIAGNOSIS.—Rostrum not nearly reaching level of distal margin of 1st antennular segment, apex sometimes slightly upturned, narrower at base than blunt orbital teeth; 6th abdominal somite projecting posteriorly either side of base of telson, posterior margin armed with 2 small additional teeth separated by concave mesial margin of somite; telson with dorsolateral spines distinct, anterior pair situated in anterior of length, posterior angles subacute but not projecting; stylocerite overreaching 1st antennular segment; basal antennal segment (basicerite) with ventrolateral tooth reaching nearly to level of distal end of stylocerite, dorsal tooth strong, not accompanied by 2nd, proximal tooth; antennal scale with blade narrow but not by any means vestigial; major chela with movable finger distinctly overreaching fixed finger, palm terminating distally in variably projecting tooth at level of articulation with movable finger; minor chela without patterned row of setae on extensor margin of movable finger, each finger terminating in single tooth; 2nd pereopod with 5 carpal articles; 3rd pereopod with dactyl biunguiculate, extensor tooth slightly longer than flexor tooth, segment neither excavate nor swollen on flexor margin proximal to flexor tooth, merus unarmed on flexor margin; uropod with transverse articulation on lateral branch; maximum carapace length to base of rostrum about 8 mm.

MATERIAL.—PHILIPPINES. Visayan Sea north of Cebu: sta 5401; 11°24′45″N, 124°06′E; 55 m; fine sand; 16 Mar 1909 (1005–1032); 6′ McCormick trawl: 1 [4.1]. Davao Gulf, Mindanao: sta 5254; 7°05′42″N, 125°39′42″E; 38 m; sand, coral; 18 May 1908 (1426–1431); 6′ Johnston oyster dredge: 1 [3.5].

RANGE.—Singapore, Indonesia, Philippines, and Gilbert Islands; 13–70 meters, probably commensal with crinoids at Singapore, according to Johnson (1962:51).

MATERIAL.—PHILIPPINES. Surigao Strait, east of Leyte: sta 5482; 10°27′30″N, 125°18′E; 123 m; broken shells, sand, and green mud; 30 Jul 1909 [0911–0932]; 12′ Agassiz beam trawl: 1 [5.7].

RANGE.—The only other known specimen of this species is the holotype from the Indian Ocean off Bluff Point, Western Australia; 14 meters.