Cyamiocardium denticulatum (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 : 414-416

14. Cyamiocardium denticulatum (E. A. Smith, 1907) [ Figs 7F–H ]

Cyamium denticulatum E. A. Smith, 1907: 3 , pl. 3, figs 4–4b

Material examined. • 1 spm, Stn. 1; • 66 spms, Stn. 2; • 60 spms, Stn. 3; • 16 spms, Stn. 6; • 10 spms, Stn. 7; • 3 spms, Stn. 8; • 6 spms, Stn. 10; • 11 spms, Stn. 11; • 19 spms, Stn. 13; • 1 spm, Stn. 14; • 66 spms, Stn. 15.

Type locality. Winter Quarters, McMurdo Sound (Ross Sea), 23 m depth.

Bathymetric distribution. 5–507 m.

Substrate. Soft bottom.

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

Remarks. In both Fildes Strait and Ardley Cove, the species was very common in depths between 35 and 100 m. The species is already known from the Maxwell and Admiralty Bays.

References. Nicol (1966), Arnaud et al. (1986), Rauschert (1991), Absher & Feijó (1998), Narchi et al. (2002), Engl (2012), Urcola & Zelaya (2018).

Figures

FIGURE 7.A–C:Limea pygmaea (R.A.Philippi,1845); D–E:Cyclocardia antarctica (E.A.Smith,1907); F–H: Cyamiocardium denticulatum (E. A. Smith, 1907). Unless otherwise indicated, the scale is always 1 mm.