Powellisetia deserta (E. A. Smith, 1907 )

Zettler, Michael L. & Bick, Andreas, 2025, Molluscs from a shallow bay of King George Island (Antarctica, South Shetland Islands): An annotated checklist with new distributional records, Zootaxa 5631 (3), pp. 401-450 : 434

publication ID	https://doi.org/10.11646/zootaxa.5631.3.1
publication LSID	lsid:zoobank.org:pub:DAEBA84A-9441-407E-A2D2-C09070B266E6
DOI	https://doi.org/10.5281/zenodo.15375136
persistent identifier	https://treatment.plazi.org/id/03A58781-3C6E-FFC4-FF7B-3A5FFE0FCF90
treatment provided by	Plazi
scientific name	Powellisetia deserta (E. A. Smith, 1907 )
status

Treatment

45. Powellisetia deserta (E. A. Smith, 1907) View in CoL [ Fig. 16G View FIGURE 16 ]

Rissoia deserta E. A. Smith, 1907: 9 View in CoL , pl. 2, fig. 1

Material examined. • 4 spms, Stn. 14.

Type locality. McMurdo Sound (Ross Sea), 18 m depth.

Bathymetric distribution. 4–870 m.

Substrate. Soft bottom.

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

Remarks. We found only very few individuals in a depth of 70 m. This species was already known from the study area from previous Soviet Antarctic expeditions in depths between 25 and 30 m.

References. Ponder (1983), Dell (1990), Aldea & Troncoso (2010a), Engl (2012).