Iphimedia phuketensis, Lowry & Myers, 2003

Lowry, J. K. & Myers, A. A., 2003, New Amphipod Crustaceans From The Indo-West Pacific (Amathillopsidae: Eusiridae: Iphimediidae), Raffles Bulletin of Zoology 51 (2), pp. 219-256 : 244-247

publication ID	https://doi.org/ 10.5281/zenodo.4619401
persistent identifier	https://treatment.plazi.org/id/2D1A87F3-B85C-FFF4-86E1-FC26FE861312
treatment provided by	Carolina
scientific name	Iphimedia phuketensis
status	sp. nov.

Treatment

Iphimedia phuketensis View in CoL , new species

( Figs. 24-26 View Fig View Fig View Fig )

Material examined. – Holotype, sex not known, 3.8 mm, ZMUC CRU-2157 , 98 18’N 7 29’E, Ko Racha Noi (south-eastern end of northern Island), Phuket, Thailand, 12 m, coral, coll. N.L. Bruce, 30 Nov.1995, NLB D9/1.

Type locality. – Phuket Island , Thailand (Andaman Sea) .

Description. – Head laterocephalic margin with rounded spine, ventrolateral corner a subacute, but reduced, spine; eyes ovate. Antenna 1 peduncular article 1 with anterodistal spines; peduncular article 2 with small posterodorsal spine and small posteroventral spine; accessory flagellum absent. Maxilla 1 palp 2-articulate.

Pereon. Pereonite 1 enlarged, slightly produced over head. Gnathopod 1 coxa small, ventrally acute, ventral margins smooth. Gnathopod 2 coxa small, posteroventrally acute, ventral margins smooth. Pereopod 3 coxa posteroventrally acute, ventral margins smooth. Pereopod 4 coxa ventral margins smooth. Pereopod 5 coxa posteroventral corner broadly rounded; basis posterodorsal corner subquadrate, posterior margin without spines, smooth, posteroventral corner rounded. Pereopod 6 coxa posteroventral corner rounded; basis posterodorsal corner subquadrate, posterior margin without spines, smooth, posteroventral corner with small spine. Pereopod 7 coxa subquadrate; basis posterodorsal corner subquadrate, posterior margin without spines, distally serrate, posteroventral corner with large spine. Pereonite 7 without mid-dorsal carina, dorsodistal margin slightly produced, with 2 large spines, without posteroventral spine.

Pleon. Pleonites 1-3 without mid-dorsal carina, dorsodistal margin slightly to strongly produced, with 2 large spines. Epimeron 1 posterior margin without mid-lateral spines; posteroventral corner subquadrate. Epimeron 2 posterior margin without mid-lateral spines, posteroventral corner produced into a spine. Epimeron 3 posterior margin with 1 ventrolateral, recurved, smooth spine, posteroventral corner produced into a, smooth spine. Telson notched, slightly longer than broad, margins tapering distally.

Remarks. – This species can be distinguished from all other described world species of Iphimedia by the following combination of characters: head ventrolateral corner with a small subacute spine, pereopod 6 coxa posteroventral corner subquadrate, pereopod 7 coxa posterior margin smooth and pereonite 7 with 2 dorsodistal spines.

Distribution. – Phuket Island, Thailand (Andaman Sea).

Etymology. – Named for Phuket Island, the area where this species lives.