Literature
Authors(s) Verrill, A. E.
Year 1881
Title Notice of recent additions to the marine Invertebrata, of the north-eastern coast of America, with descriptions of new genera and species and critical remarks on others, 2. Mollusca, with notes on Annelida, Echinodermata etc., collected by the United States Fish Commission. Proc. U. S. Nat. Mus. (1880) 3: 356-409.