introniger, Dicrolene Goode [G. B.] & Bean [T. H.] 1883:202 [Bulletin of the Museum of Comparative Zoology v. 10 (no. 5); ref. 1838] Atlantic, 33°35'20"-33°42'15"N, 76°00'00"-76°00'50"W, depth 464-647 fathoms. Syntypes: (11) MCZ 25828 (4), 25829 (? now 0); USNM 120406 [ex MCZ 25829] (1). •Valid as Dicrolene introniger Goode & Bean 1883 -- (Arai in Uyeno et al. 1983:229 [ref. 14275], Wenner 1984:538 [ref. 25572] as intronigra, Nielsen & Cohen 1986:346 [ref. 5700], McAllister 1990:135 [ref. 14674], Nielsen 1990:568 [ref. 16246], Bianchi & Carpenter in Bianchi et al. 1993:144 [ref. 25472], McEachran & Fechhelm 1998:713 [ref. 23897], Nielsen & Cohen in Nielsen et al. 1999:62 [ref. 24448], Pakhorukov 1999:657 [ref. 24883], Nielsen & Robins 2003:968 [ref. 27008], Moore et al. 2003:206 [ref. 27076], Garrido-Linares & Acero P. 2006:294 [ref. 28946], Lins Oliveira et al. 2015:109 [ref. 37485], Nielsen 2016:1950 [ref. 34583], Klautau et al. 2020:8 [ref. 37903], Fermon et al. 2022:206 [ref. 39448], Page et al. 2023:108 [ref. 40505], Girard & Johnson 2024:6 [ref. 41368]). Current status: Valid as Dicrolene introniger Goode & Bean 1883. Ophidiidae: Neobythitinae. Distribution: Western Atlantic: Massachusetts (U.S.A.) south to Pará (Brazil), including Gulf of Mexico and Caribbean Sea; eastern Atlantic: Mauritania south to Cape of Good Hope (South Africa), including Cape Verde Islands. IUCN (2015): Least Concern. Habitat: marine.