megalopa, Nansenia Kawaguchi [K.] & Butler [J. L.] 1984:9, Fig. 9 [Contributions in Science (Los Angeles) No. 352; ref. 17434] Southeastern Atlantic, 8°11'S, 14°12'W, Walther Herwig station 463-III/71, depth 0-640 meters. Holotype: ISH 2013-1971a. Paratypes: ISH 1730-1971 (1), 2013-1971b (1), 2491-1971 (1); UF 29912 [ex TABL 100588] (1). Type catalog: Krefft 1987:75 [ref. 20751]. •Valid as Nansenia megalopa Kawaguchi & Butler 1984 -- (Merella et al. 1997:213 [ref. 23098], Carter & Hartel 2003:868 [ref. 27000], Poulsen 2015:525 [ref. 33965], Hartel & Orrell 2016:1755 [ref. 34565], Sutton et al. 2020:36 [ref. 37832], Fermon et al. 2022:164 [ref. 39448] possible). Current status: Valid as Nansenia megalopa Kawaguchi & Butler 1984. Microstomatidae. Distribution: Eastern Atlantic: Senegal south to Angola. Habitat: marine.