Newton, R.B. 1891. Systematic list of the F. E. Edwards collection of British Oligocene and Eocene mollusca in the British Museum (Natural History), with references to the type-specimens from similar horizons contained in other collections belonging to the Geological Department of the Museum. https://www.biodiversitylibrary.org/page/19997637.
Newton, 1891. Edwards Coll. BMNH: XII, 295.
Type genus: Arctica Schumacher, 1817 = Arctica