Species that contain: Congriscus and megastomus [ 2 ] records

coheni, Thalassenchelys Castle [P. H. J.] & Raju [S. N.] 1975:10, Fig. 3; Pl. 1 (fig. 3) [Dana Report No. 85; ref. 772] Off California, U.S.A., 34°13'N, 125°54'W, depth 0-150 fathoms. Holotype: USNM 211811. Paratypes: LACM 9350-27 (1), 9737-1 (1); OSUO (7); SIO H51-359 (2), 71-300 (1), 71-302 (1), 74-60 (1); USBCF (1); UW (2). Type catalog: Smith 1994:39 [ref. 21917]. •Valid as Thalassenchelys coheni Castle & Raju 1975 -- (Matarese et al. 1989:35 [ref. 26885], Love et al. 2005:17 [ref. 37547], Mundy 2005:144 [ref. 28379], Love et al. 2021:32 [ref. 39279]). •Synonym of Congriscus megastomus (Günther 1877) -- (Kurogi et al. 2015:[1] 239 [ref. 34038], Chow et al. 2016:2204, 2209 [ref. 34808]). •Synonym of Congriscus megastoma (Günther 1877). Current status: Synonym of Congriscus megastoma (Günther 1877). Congridae: Congrinae. Habitat: marine.

megastoma, Congromuraena Günther [A.] 1877:445 [Annals and Magazine of Natural History (Series 4) v. 20 (no. 119) (art. 56); ref. 2009] Off Inoshima, Hiroshima Prefecture, Japan, Inland Sea. Syntypes: BMNH 1879.5.14.439 (3), NMI block reg. no. 114.1899 (1). Type catalog: Wheeler & O'Riordan 1969:94 [ref. 20752]. Also described as new in Günther 1880:73 [ref. 2011]. Specific name is an indeclinable noun. •Valid as Congriscus megastoma (Günther 1877) (often seen as megastomus) -- (Ida in Okamura et al. 1982:61, 318 [ref. 8256], Asano in Masuda et al. 1984:28 [ref. 6441], Machida in Okamura & Kitajima 1984:91, 318 [ref. 8057], Nakabo 2000:228 [ref. 25086], Shinohara et al. 2001:294 [ref. 25995], Nakabo 2002:228 [ref. 26001], Shinohara et al. 2005:401 [ref. 28370], Zhang et al. 2010:197 [ref. 31511], Shinohara et al. 2014:237 [ref. 33330], Kurogi et al. 2015:[1] 239 [ref. 34038], Ho et al. 2015:147 [ref. 34130], Chow et al. 2016:2209 [ref. 34808], Yanagimoto et al. 2020:[2] [ref. 37970]). Current status: Valid as Congriscus megastoma (Günther 1877). Congridae: Congrinae. Distribution: Northwestern Pacific: China, Japan and Taiwan. Habitat: marine.