40. Onoba kergueleni (E. A. Smith, 1875) [Figs 15D–G]

Rissoa kergueleni E. A. Smith, 1875: 69

Material examined. • 4 spms, Stn. 2; • 3 spms, Stn. 3; • 1 spm, Stn. 9; • 1 spm, Stn. 10.

Type locality. Swain’s Bay (Kerguelen Islands) on a sponge.

Bathymetric distribution. 0–870 m.

Substrate. Hard and soft bottoms.

Geographical distribution. ANTARCTICA: Circum-Antarctic. SUBANTARCTICA: Crozet Islands, Kerguelen Islands. SCOTIA ARC: South Orkney Islands, South Shetland Islands. SOUTH AMERICA: -.

Remarks. We found 9 individuals in depths between intertidal and 100 m. The species is already known from Maxwell and Admiralty Bays. Not yet fully grown specimens have very faintly visible spiral lines on the last coil in transmitted light (see also Ponder 1983, p. 18 and fig. 18g).

References. Ponder (1983), Arnaud et al. (1986), Engl (2012), Aldea & Troncoso (2010a), Amsler et al. (2022).