Gondogeneia thurstoni Alonso, 1989

Alonso, G. M., 2012, Amphipod crustaceans (Corophiidea and Gammaridea) associated with holdfasts of Macrocystis pyrifera from the Beagle Channel (Argentina) and additional records from the Southwestern Atlantic, Journal of Natural History 46 (29 - 30), pp. 1799-1894 : 1887-1888

Gondogeneia thurstoni Alonso, 1989

Gondogeneia thurstoni Alonso, 1989: 1–7 , figs. 1–29; De Broyer et al., 2007: 72.

Material examined

Argentina; Beagle Channel: northern Isla Despard , 54 ◦ 52 ′ S, 68 ◦ 10 ′ W, 8–12 m depth, colls. D. Aureliano and A. Ferlito, don. G. Lovrich : 2 ♀♀ 6.6 and 8.2 mm, 1 ♂ 5.9 mm, 5 August, 1999, MACN-In 38755; 1 ♂ 5.5 mm, 10 November 1999, MACN-In 38756; 1 ovig. ♀ 6.5 mm, 14 February 2000, MACN-In 38757; 1 ♀ 5 mm, 2 May 2000, MACN- In 38758; 1 ♂ 5 mm, 29 May 2000, MACN-In 38759.

New catalogue numbers

Argentina; Tierra del Fuego province, approx. 54 ◦ 48 ′ S, 68 ◦ 19 ′ W, Punta Jones : 1 ovig. ♀ 8 mm, 2 ♂♂ 8.5 and 8.7 mm, 11 January 1982, MACN-In 38760. Santa Cruz province, Punta Loyola, 51 ◦ 36 ′ S, 69 ◦ 01 ′ W: 1 ovig. ♀ 7 mm, 1 ♀ 8.5 mm, 1 ♂ 5 mm, 7 January 1982, MACN-In 38761; San Julián, 49 ◦ 21 ′ S, 67 ◦ 45 ′ W: 11 ovig. ♀♀ 6.8–8 mm, 4 ♀♀ 8–8.7 mm, 1 ♂ 6 mm, 18 January 1984, MACN-In 38762; 1 sex indet. 4.6 mm, 1 ♂ 5 mm, 19 January 1984, MACN-In 38763; Ría Deseado, approx. 47 ◦ 45 ′ S, 65 ◦ 55 ′ W, Baliza Sorrel: 2 ♀♀ 6 and 8 mm, 5 March 1980, MACN-In38764; 3 ovig. ♀♀ 5.5–7.7 mm, 1 ♂ 5.5 mm, 7 January 1981, MACN-In 38765; Restinga Chaffers: 2 ovig. ♀♀ 6.7 and 8 mm, 1 ♂ 4.5 mm, 24 February 1981, MACN-In 38766; 7 ovig. ♀♀ 7.85–8.6 mm, 3 ♂♂ 5–5.05 mm, 26 March 1981, MACN-In 38767; Punta Cascajo: 5 ovig. ♀♀ 7.25–8.6 mm, 26 March 1981, MACN-In 38768 ; Isla Larga: 3 ovig. ♀♀ 7.7–8 mm, 1 ♀ 9 mm, 29 May 1981, MACN-In 38769; Península Foca: 2 ♀♀ 7.8 and 8 mm, 29 May 1981, MACN-In 38770; Caleta Olivia , 46 ◦ 26 ′ S, 67 ◦ 32 ′ W, 5 January 1984: 7 ovig. ♀♀ 6.5–7.25 mm, 3 ♂♂ 4.3–5.3 mm, MACN-In 38771a; 4 ovig. ♀♀ 6–7.7 mm, MACN-In 38771b. Chubut province ; Comodoro Rivadavia, Rada Tilly beach, approx. 45 ◦ 52 ′ S, 67 ◦ 30 ′ W: 5 ovig. ♀♀ 6.5–7.3 mm, 3 January 1981, MACN-In 38772; 1 ♀ 5 mm, 5 January 1983, MACN-In 38773; Rawson, Magaña beach, approx. 43 ◦ 20 ′ S, 65 ◦ 04 ′ W: 1 ovig. ♀ 9 mm, 5 January 1983, MACN-In 38774. Río Negro province ; Golfo San Matías, La Lobería beach, approx. 41 ◦ 08 ′ S, 63 ◦ 08 ′ W: 1 ovig. ♀ 5 mm, 1 ♀ 6 mm, 1 ♂ 4.5 mm, 2 January 1982, MACN-In 38775. Coll. G. Alonso

Remarks

Gondogeneia thurstoni Alonso, 1989 , usually associated with the cover of different algae inhabiting the intertidal, here was found in the holdfasts of M. pyrifera from the Beagle Channel. The species is common among the Argentinean amphipod fauna, its distribution extending from Tierra del Fuego to Rio Negro provinces. López Gappa et al. (2006) mentioned Gondogeneia thurstoni from Tierra del Fuego.