leptosomatus, Gnathophis Karrer [C.] 1983:24, Figs. 6 A-B [Faune Tropicale v. 23 (for 1982); ref. 5679] Northwest of Madagascar, 12°52'S, 48°10'E, depth 420-428 meters. Holotype (unique): MNHN 1979-0041. Type catalog: Bauchot et al. 1993:115 [ref. 20810]. •Valid as Gnathophis leptosomatus Karrer 1983 -- (Smith 1989:521 [ref. 13285] dated 1982, Fricke et al. 2018:50 [ref. 35805]). Current status: Valid as Gnathophis leptosomatus Karrer 1983. Congridae: Congrinae. Distribution: Western Indian Ocean: off northwestern Madagascar. Habitat: marine.