longiceps, Chaenophryne Regan [C. T.] 1925:564 [Annals and Magazine of Natural History (Series 9) v. 15 (no. 91); ref. 3677] 7°30'N, 79°19'W [off Gulf of Panama, eastern Pacific], depth about 1500 meters. Lectotype: ZMUC P92106. Paralectotypes: (13). Type catalog: Nielsen 1974:89 [ref. 9588] with remarks that the remaining 13 specimens of the type material are referred to other Chaenophryne spp. Lectotype designated by Regan & Trewavas 1932:87 [ref. 3682]. Males unknown. •Synonym (in part) of Chaenophryne draco Beebe 1932 -- (Bertelsen 1990:498 [ref. 15654]). •Valid as Chaenophryne longiceps Regan 1925 -- (Bertelsen in Whitehead et al. 1986:1386 [ref. 13677], Scott & Scott 1988:245 [ref. 25518], Matarese et al. 1989:224 [ref. 26885], McAllister 1990:231 [ref. 14674], Bertelsen 1990:498 [ref. 15654], Stearn & Pietsch in Okamura et al. 1995:134 [ref. 22531], Swinney 1995:54 [ref. 22647], Santos et al. 1997:65 [ref. 23531], Arruda 1997:127 [ref. 24952], Stewart & Pietsch 1998:11 [ref. 23378], Porteiro et al. 1999:41 [ref. 24203], Pietsch 1999:2033 [ref. 24766], Mecklenburg et al. 2002:305 [ref. 25968], Pietsch 2003:1064 [ref. 27014], Moore et al. 2003:215 [ref. 27076], Love et al. 2005:60 [ref. 37547], Mundy 2005:271 [ref. 28379], Castellanos-Galindo et al. 2006:201 [ref. 28944], Pietsch 2007:164 [ref. 29040], Pietsch 2008:382 [ref. 30637], Pietsch 2009:386 [ref. 30766], Møller et al. 2010:43 [ref. 31169], Stewart & Pietsch 2015:922 [ref. 34271], Afonso et al. 2016:38, 122 [ref. 36199], Pietsch 2016:2067 [ref. 34597], Burton & Lea 2019:53 [ref. 37205], Carneiro et al. 2019:216 [ref. 37250], Kenchington et al. 2020:[6] [ref. 37729], Love et al. 2021:88 [ref. 39279], Fermon et al. 2022:303 [ref. 39448] with question). Current status: Valid as Chaenophryne longiceps Regan 1925. Oneirodidae. Distribution: Circumglobal in tropical and temperate seas. Habitat: marine.