5. Aequiyoldia eightsii (J. C. Jay, 1839) [Figs 4H–J]

Nucula eightsii J. C. Jay, 1839: 113, pl. 1, figs 12–13

Material examined. • 43 spms, Stn. 2; • 4 spms, Stn. 3; • 4 spms, Stn. 6; • 10 spms, Stn. 7; • 78 spms, Stn. 8; • 7 spms, Stn. 11; • 5 spms, Stn. 12; • 6 spms, Stn. 13; • 14 spms, Stn. 14; • 5 spms, Stn. 15.

Type locality. South Shetland Islands.

Bathymetric distribution. 4–824 m.

Substrate. Soft bottom.

Geographical distribution. ANTARCTICA: Circum-Antarctic. SUBANTARCTICA: Kerguelen Islands. SCOTIA ARC: South Georgia, South Sandwich Islands, South Orkney Islands, South Shetland Islands. SOUTH AMERICA: Malvinas/ Falkland Islands, South Patagonia.

Remarks. Aequiyoldia eightsii is very common in our study area. In the neighbouring Admiralty Bay it was also found frequently down to a depth of 240 m. During our survey, the species was recorded in Fildes Strait and Ardley Cove in depths between 15 and 100 m.

References. Nicol (1966), Arnaud et al. (1986), Dell (1990), Rauschert (1991), Absher & Feijó (1998), Troncoso et al. (2001), Narchi et al. (2002), Aldea & Troncoso (2008, 2010a), Engl (2012), Steger et al. (2023).