facilis, Pellisolus Parr [A. E.] 1951:18 (19) [American Museum Novitates No. 1531; ref. 3380] Gulf of Panama, Pacific, 6°48'N, 80°33'W, depth about 1800 meters. Holotype (unique): ZMUC P1764. Type catalog: Nielsen 1974:11 [ref. 9588]. •Valid as Pellisolus facilis Parr 1951 -- (Pequeño 1989:34 [ref. 14125], Quéro et al. 1990:271 [ref. 14648], Swinney 1996:1 [ref. 25514], Carter & Hartel 2003:880 [ref. 27000]). •Valid as Mentodus facilis (Parr 1951) -- (Sazonov & Miya 1996:88 [ref. 22116], Pequeño 1997:80 [ref. 23536], McEachran & Fechhelm 1998:406 [ref. 23897], Sazonov 1999:1895 [ref. 24740], Nakabo 2000:289 [ref. 25086], Sazonov & Merrett 2001:S43 [ref. 26652], Nakabo 2002:289 [ref. 26001], Orrell & Hartel 2016:1779 [ref. 34567], Carneiro et al. 2019:81 [ref. 37250], Love et al. 2021:50 [ref. 39279], Fermon et al. 2022:133 [ref. 39448] with question, Page et al. 2023:63 [ref. 40505], Fricke et al. 2024:156 [ref. 41622]). Current status: Valid as Mentodus facilis (Parr 1951). Platytroctidae. Distribution: Circumglobal (including Gulf of Mexico). IUCN (2015): Least Concern. Habitat: marine.