Mysella antarctica

20. Mysella antarctica (E. A. Smith, 1907) [Figs 10A–C] Tellimya antarctica E. A. Smith, 1907: 3, pl. 2, figs 16–16b Material examined. • 1 spm, Stn. 3. Type locality. Winter Quarters, McMurdo Sound (Ross Sea), 23 m depth. Bathymetric distribution. 23–1449 m. Substrate. Soft bottom. Geographical distribution. ANTARCTICA: Bransfield Strait, Weddell Sea, Ross Sea. SUBANTARCTICA: -. SCOTIA ARC: South Shetland Islands. SOUTH AMERICA: -. Remarks. This species has a roundish trapezoidal shape and can reach a shell length of up to 7 mm. Our specimen has a length of 4.3 mm and stands out from the Altenaeum species mentioned above by its shape and size alone. We found it at a station in Ardley Cove at a depth of 100 m. References. Dell (1964, 1990), Mühlenhardt-Siegel (1989), Engl (2012), Huber (2015).