Triopa notha Johnston, 1838, [Basis of the current name] Comments: Thompson & Brown (1984) state that the species is amphi-Atlantic, but do not specify any Western Atlantic localities.
Polycera dubia auct. non M. Sars, 1829, [Not available] References: Thompson & Brown (1984) s Comments: Misidentification by Meyer (1971, in part).
Polycera ocellataAlder & Hancock, 1842, p. 33, [Alder & Hancock (1846b), Fam. 1, pl. 23, figs. 1-11] [Synonym] Type Locality: Under stones at low-water mark, Cullercoats and Whitley, Northumberland [England] Maximum Reported Size: 10 mm References: Alder & Hancock (1842) M; Thompson & Brown (1984) s
Polycera plebejaLovén, 1846, p. 138 [Synonymy uncertain] Type Locality: Bohuslän Maximum Reported Size: 11 mm References: Lovén (1846) M; Thompson & Brown (1984) s
Partial List of References
Alder, J. and A. Hancock. 1842. Descriptions of several new species of nudibranchous Mollusca found on the coast of Northumberland Annals and Magazine of Natural History 9 31-36. [Stated date: -- Mar 1842.] Lovén, [S. L.] 1846. Nordens Hafs-Mollusker Öfversigt af Kongl. Vetenskaps-Akademiens Förhandlingar 3 134-160. [Stated date: 13 May 1846.]
