unipennis, Melanonus Beebe [W.] 1932:74 [Zoologica, Scientific Contributions of the New York Zoological Society v. 13 (no. 4); ref. 16099] 10 miles southeast of Nonsuch Island, Bermuda, depth 700 fathoms. Holotype: USNM 170940 [ex NYZS 22397]. Paratypes or additional material: USNM 103129-30 (1, 1). Type catalog: Mead 1958:133 [ref. 20648]. •Synonym of Melanonus zugmayeri Norman 1930 -- (Cohen 1973:327 [ref. 6589], Cohen 1990:540 [ref. 15766], Henriques et al. 2001:45 [ref. 25317]). Current status: Synonym of Melanonus zugmayeri Norman 1930. Melanonidae. Habitat: marine.