Proharpinia stephenseni Schellenberg 1931

Proharpinia stephenseni (Schellenberg, 1931)

Schellenberg, 1931: 73–74, fig. 37a. (Heterophoxus stephenseni). Not Hurley, 1954: 589–593, figs. 29–67. (Heterophoxus stephenseni = Proharpinia hurleyi, in part). Hurley, 1957: 3. (Heterophoxus stephenseni). Barnard J.L., 1958a: 149.

Barnard J.L., 1958 b: 119.

Barnard J.L., 1960: 311, 312, 315, 316–318, pl. 58. Lowry and Bullock, 1976: 129.

Barnard and Drummond, 1978: 532.

Barnard and Karaman, 1982: 183.

Barnard and Barnard, 1990: 114.

Barnard and Karaman, 1991: 628.

Gonzalez, 1991: 61.

De Broyer and JaŻdŻewski, 1993: 85.

De Broyer and Rauschert, 1999: 286.

Chiesa et al., 2005: 171, 172, tables 2–3.

Distribution: M

Falkland Islands: Schwedische Südpolar Expedition 1901–1903, Port Louis, 51°33’S 58°09’W, 2–8 m (bottom: gravel, mud, shells); Port Albemarle, 52°09’S 60°33’W, 15 m (bottom: sand, algae) (AS 31) (revised by JLB 60).

Magellan Area: Schwedische Expedition nach den Magellansländern 1895–1897, Bahía Ushuaia, 54°49’S 68°18’W, 6–18 m (bottom: mud); Hamburger Magalhaensische Sammelreise 1892–1893, Bahía Ushuaia, [54°49’S 68°16’W], 4 m (AS 31) (revised by JLB 60); Estrecho de Magallanes, 53°S 70°W (EG 91); Península Ushuaia, 54°51’S 68°19’W, 5–10 m (gear: Van Veen grab); Bahía Buen Suceso, 54°47’S 65°14’W, 12 m (gear: dredge) (ICH et al. 05); Golfo San Jorge, 45º56’S 67º32’W, 5–7 m (gear: collector tube, smooth plastic panels) (coll. Vinuesa 2006) (GMA unpubl.); Golfo San Jorge, 45º52’S 67º30’W, 5–7 m (gear: collector tube, plastic panels with artificial grass) (coll. Vinuesa 2006) (GMA unpubl.); Magellan “Victor Hensen” Campaign 1994, Estrecho Gente Grande, sta. 822, 53 °02.5’S 70°17.1’W, 8 m (gear: small dredge); Estrecho Bahía Voces, sta. 884, 53 °42.6’S 70°57.5’W, 51 m (gear: small dredge); sta. 958, 52 °58’S 70°41.1’W, 111 m (gear: small dredge); sta. 966, 52 °57.9’S 70°46.9’W, 13 m (gear: small dredge) (MR unpubl.).

Depth range: 2– 111 m.

Type-locality: Falkland Islands: Schwedische Südpolar Expedition 1901–1903, Port Louis, 51°33’S 58°09’W, 2–8 m (bottom: gravel, mud, shells); Port Albemarle, 52°09’S 60°33’W, 15 m (bottom: sand, algae) (AS 31) (revised by JLB 60).

Magellan Area: Schwedische Expedition nach den Magellansländern 1895–1897, Bahía Ushuaia, [54°49’S 68°16’W], 6–18 m (bottom: mud); Hamburger Magalhaensische Sammelreise 1892–1893, Bahía Ushuaia, [54°49’S 68°16’W], 4 m (AS 31) (revised by JLB 60).

Ecology: Collected from mud, sandy bottoms with shells, gravel, algae.

Type material location: NRS, Stockholm.

Remarks: Proharpinia stephenseni and P. antipoda can be distinguished from each other by the shape of epimeron 3, the basis of peraeopod 7, the apices of telson, the size of eyes, and the setation of uropods 1 and 2.

The species expands its distribution in southern Tierra del Fuego (Chiesa et al., 2005) and southern Chile (Rauschert, unpubl.). Alonso de Pina (unpubl.) extends this geographical range of distributions northern, for the first time in Chubut province.