alternans, Monacanthus Ogilby [J. D.] 1899:741 [Proceedings of the Linnean Society of New South Wales v. 23 (pt 4); ref. 3277] Maroubra Beach, New South Wales, Australia. Lectotype: AMS IA.4019. Paralectotypes: QM I.793 (1) Lord Howe I. Lectotype established by Whitley 1930:121 [ref. 4669]. •Synonym of Pervagor nitesn (Hollard 1854) -- (Hutchins 1977:56 [ref. 2283]). •Valid as Pervagor alternans (Ogilby 1899) -- (Hutchins 1986:15 [ref. 19371], Randall et al. 1990:464 [ref. 15987], Kuiter 1993:398 [ref. 23929], Francis 1993:168 [ref. 25479], Randall et al. 1997:464 [ref. 25919], Myers 1999:286 [ref. 23965], Laboute & Grandperrin 2000:460 [ref. 25191], Hutchins 2001:3935 [ref. 26316], Randall et al. 2004:32 [ref. 27624], Randall 2005:636 [ref. 28239], Allen et al. 2006:1895 [ref. 29098], Matsuura 2014:12 [ref. 33576]). Current status: Valid as Pervagor alternans (Ogilby 1899). Monacanthidae. Distribution: Western Pacific: Australia, Lord Howe Island, New Caledonia and Marshall Islands. Habitat: marine.