Amphipod crustaceans (Corophiidea and Gammaridea) associated with holdfasts of Macrocystis pyrifera from the Beagle Channel (Argentina) and additional records from the Southwestern Atlantic Author Alonso, G. M. text Journal of Natural History 2012 2012-08-31 46 29 - 30 1799 1894 http://dx.doi.org/10.1080/00222933.2012.692825 journal article 10.1080/00222933.2012.692825 1464-5262 5200405 Pariphimedia normani ( Cunningham, 1871 ) Iphimedia normani Cunningham, 1871: 498 , pl. 59, fig. 7. Pariphimedia normani : Coleman and J.L. Barnard, 1991: 534–539 , figs. 6–10; Chiesa et al., 2005: 169 , 170, tb. 2; De Broyer et al., 2007: 106 , 107. 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 , 27 May 1999 : 1 ♀ 8.5 mm , MACN- In 38598a; 1 ♀ 9.8 mm , MACN-In 38598b; 1 ovig. ♀ 11.25 mm , 1 November 1999 , MACN-In 38599; 1 ♂ 4 mm , 10 February 2000 , MACN-In 38600. Same location, same colls., 2 May 2000 : 1 ♀ 6 mm , 2 ♂♂ 6 and 7 mm , MACN-In 38601a; 1 ovig. ♀ 10.5 mm , 1 ♀ 9 mm , MACN-In 38601b. Same location, same colls., 29 May 2000 : 1 ovig. ♀ 10.6 mm , 4 ♀♀ 6–10.5 mm , 1 sex indet. 3.6 mm , 8 ♂♂ 5.6–7.4 mm , MACN-In 38602a; 1 ♀ 7 mm , 1 ♂ 5.7 mm , MACN-In 38602b; 2 ♀♀ 7.3 and 8 mm , MACN-In 38602c. Remarks Pariphimedia normani ( Cunningham, 1871 ) has been reported from West Antarctica and the Magellanic area. The present discovery widens its distribution in the Beagle Channel.