congroides, Xenomystax Smith [D. G.] & Kanazawa [R. H.] in Smith 1989:563, Figs. 596-598 [Memoirs of the Sears Foundation of Marine Research Mem. 1 (part 9); ref. 13285] Off Suriname, 7°34'N, 54°50'W, Oregon station 2005, western Caribbean Sea, depth 366 meters. Holotype: USNM 217386. Paratypes: ANSP 109595 (4), 109599 (6), 109622 (8), 114952 (2); MCZ 38783 (2), 38802 (2), 38820 (1), 49337 (3); UF 213871 [ex UMML 13871] (1), 216873 [ex UMML 16873] (1), 217655 [ex UMML 17655] (1), 220902 [ex UMML 20902] (5), 229675 [ex UMML 29675] (1), 233478 [ex UMML 33478] (2); USNM 217387-88 (1, 1), 217441-42 (3, 2). Additional material: ANSP (11 lots, 38); MBI (1, missing); MCZ (3 lots, 5); UF [ex UMML] (8 lots, 19); USNM (52 lots, 265). Type catalog: Smith 1994:13 [ref. 21917]. •Valid as Xenomystax congroides Smith & Kanazawa 1989 -- (Smith 1989:759 [ref. 13285], Boschung 1992:39 [ref. 23239], McEachran & Fechhelm 1998:313 [ref. 23897], Menezes et al. in Menezes et al. 2003:37 [ref. 27192], Smith 2003:750 [ref. 26989], Moore et al. 2003:175 [ref. 27076], Nelson et al. 2004:65 [ref. 27807], Tweddle & Anderson 2008:6 [ref. 29604], Melo et al. 2009:8 [ref. 30460], Page et al. 2013:65 [ref. 32708], Smith 2016:1694 [ref. 34556], Smith et al. 2017:42 [ref. 36260], Klautau et al. 2020:7 [ref. 37903], Fermon et al. 2022:120 [ref. 39448], Page et al. 2023:57 [ref. 40505]). Current status: Valid as Xenomystax congroides Smith & Kanazawa 1989. Congridae: Congrinae. Distribution: Western Atlantic: Florida (U.S.A.) and Bahamas south to northeastern Brazil, including Gulf of Mexico and Caribbean Sea; eastern Atlantic: Senegal south to Angola. Habitat: marine.