jesperseni, Monognathus Bertin [L.] 1936:538 [Bulletin de la Société Zoologique de France v. 61 [1936]; ref. 292] Coast of Sierra Leone, northern Atlantic, 8°26'N, 15°11'W, Dana station 4003, depth about 0-3000 meters (bottom depth of 3800 meters). Holotype (unique): ZMUC P2329851. Type catalog: Nielsen 1974:43 [ref. 9588], Bauchot et al. 1993:133 [ref. 20810]. •Valid as Monognathus jesperseni Bertin 1936 -- (Bertelsen & Nielsen 1987:186 [ref. 6618], Bertelsen et al. 1989:654 [ref. 13293], Bertelsen & Nielsen 1990:207 [ref. 14026], Smith 2003:763 [ref. 26989], Hartel et al. 2008:320 [ref. 29890], Smith 2016:1714 [ref. 34556], Carneiro et al. 2019:70 [ref. 37250]). Current status: Valid as Monognathus jesperseni Bertin 1936. Monognathidae. Distribution: Northeastern Atlantic. Habitat: marine.