Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the genus Rhynchactis: [ 3 ] records

leptonema, Rhynchactis Regan [C. T.] 1925:566 [Annals and Magazine of Natural History (Series 9) v. 15 (no. 91); ref. 3677] Western central Atlantic, 8°19'N, 44°35'W, depth about 1500 meters [3000 meters of wire out]. Holotype (unique): ZMUC P92133. Type catalog: Nielsen 1974:98 [ref. 9588]. Males unknown. •Valid as Rhynchactis leptonema Regan 1925 -- (Bertelsen et al. 1981:66 [ref. 5330], Bertelsen 1990:515 [ref. 15724], Bertelsen & Pietsch 1998:587 [ref. 23417], Pietsch 1999:2036 [ref. 24766], Pietsch 2003:1068 [ref. 27014], Mundy 2005:275 [ref. 28379], Pietsch 2009:475 [ref. 30766]). Current status: Valid as Rhynchactis leptonema Regan 1925. Gigantactinidae. Distribution: Western central Atlantic; Hawaiian Islands; off Taiwan. Habitat: marine.

macrothrix, Rhynchactis Bertelsen [E.] & Pietsch [T. W.] 1998:587, Figs. 2-4 [Copeia 1998 (no. 3); ref. 23417] Central Atlantic, 7°55'N, 32°41'W, depth 0-2000 meters, bottom depth 4840 meters. Holotype: ISH 605-1974. Paratypes: BMNH 2004.7.9.17 (1), IOAN uncat. (1). Males unknown. •Valid as Rhynchactis macrothrix Bertelsen & Pietsch 1998 -- (Pietsch 2003:1068 [ref. 27014], Pietsch 2009:476 [ref. 30766], Pietsch 2016:2074 [ref. 34597], Fricke et al. 2018:92 [ref. 35805], Ho & Shao 2019:16 [ref. 37146], Fermon et al. 2022:305 [ref. 39448] with question, Page et al. 2023:167 [ref. 40505], Fricke et al. 2024:677 [ref. 41622]). Current status: Valid as Rhynchactis macrothrix Bertelsen & Pietsch 1998. Gigantactinidae. Distribution: Circumglobal (including Gulf of Mexico, Caribbean Sea, Gulf of California/Mexico). IUCN (2015): Data Deficient. Habitat: marine.

microthrix, Rhynchactis Bertelsen [E.] & Pietsch [T. W.] 1998:588, Figs. 5-7 [Copeia 1998 (no. 3); ref. 23417] Western Indian Ocean, 0°14'S, 65°03'E, Anton Bruun Cruise 6, station 337B, depth 0-2250 meters. Holotype (unique): MCZ 57516. Males unknown. •Valid as Rhynchactis microthrix Bertelsen & Pietsch 199 -- (Pietsch 2009:476 [ref. 30766]). Current status: Valid as Rhynchactis microthrix Bertelsen & Pietsch 1998. Gigantactinidae. Distribution: Western Indian Ocean (1 specimen). Habitat: marine.