basis of recordAbbott, R. T. (1974). <i>American seashells. The marine Mollusca of the Atlantic and Pacific coast of North America</i>. ed. 2. Van Nostrand, New York. 663 pp., 24 pls. [October 1974]. (look up in IMIS) [details]
additional sourceBalch, F. N. (1909). A spring collecting trip. Notes on New England nudibranchs II. <em>The Nautilus.</em> 23(3): 33-38., available online athttps://www.biodiversitylibrary.org/page/5314618 page(s): 36, 38 [details]
Present Inaccurate Introduced: alien Containing type locality
From other sources
Distribution Eastport Maine, to Newport, Rhode Island [details]