15. Cyamiomactra laminifera (E. Lamy, 1906) [Figs 8A–D]

Mactra (Heteromactra) laminifera E. Lamy, 1906: 45, fig. 1

Material examined. • 1 spm, Stn. 2.

Type locality. Island of Petermann in the Bellingshausen Sea.

Bathymetric distribution. 15–1281 m, but usually in shallower waters.

Substrate. Soft bottom.

Geographical distribution. ANTARCTICA: Antarctic Peninsula, Ross Sea, Bellingshausen Sea, Weddell See. SUBANTARCTICA: -. SCOTIA ARC: South Georgia, South Sandwich Islands, South Shetland Islands. SOUTH AMERICA: Malvinas/Falkland Islands.

Remarks. This species can reach shell lengths of 10 to 19 mm. We found only a single specimen of 7.2 mm in length in a depth of 70 m. The species is already known from the Maxwell and Admiralty Bays.

References. Nicol (1966), Arnaud et al. (1986), Dell (1990), Rauschert (1991), Absher & Feijó (1998), Narchi et al. (2002), Aldea & Troncoso (2010a), Engl (2012), Huber (2015), Aldea et al. (2016).