51. Trophon minutus Melvill & Standen, 1907 [Figs 17D–F]

Trophon minutus Melvill & Standen, 1907: 137, figs 7, 7a

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

Type locality. Scotia Bay (South Orkney Islands), 17 to 28 m depth.

Bathymetric distribution. 2–305 m.

Substrate. Hard bottom.

Geographical distribution. ANTARCTICA: Circum-Antarctic. SUBANTARCTICA: Kerguelen Islands. SCOTIA ARC: South Georgia, South Sandwich Islands, South Orkney Islands, South Shetland Islands. SOUTH AMERICA: Magellan Strait.

Remarks. The maximum height of this species is about 9 mm. We found it in Fildes Strait and Ardley Cove in depths between 60 and 70 m. The maximum shell height of our material was 6 mm. This species was already known from the study area from previous Soviet Antarctic expeditions in depths between 15 and 60 m.

References. Oliver & Picken (1984), Dell (1990), Aldea & Troncoso (2008, 2010b), Engl (2012).