Typhlotanais grahami Blażewicz-Paszkowycz, 2004, n. sp.

• Main Author: Blażewicz-Paszkowycz, Magdalena
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2004
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Tanaidacea; Typhlotanaidae; Typhlotanais; Typhlotanais grahami; Antarc*; Antarctic; King George Island; Polish Polar Research; South Shetland Islands
• Online Access: https://doi.org/10.5281/zenodo.6271716; http://treatment.plazi.org/id/03A9879F3831730EF017FACB09F1483B

Typhlotanais grahami n. sp. (Fig. 1–3) Peraeospinosus sp.: Blażewicz & Jażdżewski, 1996 Polish Polar Research , 17, 213–220 Peraeospinosus sp. A: Blażewicz­Paszkowycz & Jażdżewski (2000) Polish Polar Research , 21(3– 4), 171–180 Peraeospinosus sp. A: Blażewicz­Paszkowycz & Sekulska­Nalewajko (2004) Polar Biol , 27, 222– 230 Diagnosis . Female body length up to 1 mm, carapace smooth, rounded laterally, as long as wide; rostrum rounded; pereonites smooth rounded laterally; pleonites 1 – 5 similar in size; pleotelson rounded; mandible molar process well developed, with undulated, smooth (no spines or teeth) crushing surface; maxillule palp with nine terminal spiniform setae (two are fused together); chela (propodus) similar size as carpus, twice as long as wide; pleopodal endopod proximal seta reduced; uropod exopodite and endopodite 1­articled, exopodite about 2/3 of endopodite, its longer distal with large basal part and bend in the ¼ of it’s length. uropod endopodite with five terminal simple seta. Male of swimming type; body length 0.78 mm; carapace a little shorter than length of pereonites 1–2; all pereonites and pleomeres subequal except pereonites 5–6 that are longer; Pleotelson with well­developed caudal processes. Material examined: Holotype, non­ovigerous female (NSNM 1024255), body length 1 mm, Admiralty Bay, Ezcurra Inlet, Herve Cove (King George Island, South Shetland Islands, Antarctic); sample no. D­42 collected on 20 December 1993 at the depth 6 m during SCUBA diving within XVII Polish Antarctic Expedition; Paratypes from the same locality (NSNM 1024256; 668 specimens). Additional material: Admiralty Bay (King George Island): OC­245, depth 15 m, 2 Jan 1980 Van Veen Grab (VVG): 8 ΨΨ; OC­297, depth 18 m, 7 Mar 1980, VVG: 14 ΨΨ; OC­299, depth 15 m, 7 Mar 1980, VVG: 88 ΨΨ; OC­304, depth 10 m, 7 Mar 1980, VVG: 389 ΨΨ, 61 ɗɗ, 17 mancae; OC­302, depth 17 m, 7 Mar 1980, VVG: 3 ΨΨ; OC­306, depth 30m, 8 Mar 1980, VVG: 1 Ψ; OC­370, depth 47 m, 12 Nov 1983, dredging: 2 ΨΨ; OC­371, depth ...