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

Species in the family or subfamily Gigantactinidae: [ 30 ] records

balushkini, Gigantactis Kharin [V. E.] 1984:665, Fig. 2 [Voprosy Ikhtiologii v. 24 (no. 4); ref. 16247] Northwestern Pacific, off Honshu, Japan, 40°52.8'N, 142°20.8'E, depth 1210 meters. Holotype (unique): ZIN 46022. •Synonym of Gigantactis vanhoeffeni Brauer 1902 -- (Pietsch 2009:459 [ref. 30766]). •Valid as Gigantactis balushkini Kharin 1984 -- (Bertelsen & Pietsch 2002:958 [ref. 26506], Kharin 2011:662 [ref. 31582], Parin et al. 2014:188 [ref. 33547]). Current status: Valid as Gigantactis balushkini Kharin 1984. Gigantactinidae. Distribution: Off Japan (holotype). Habitat: marine.

cheni, Gigantactis Ho [H.-C.] & Shao [K.-T.] 2019:13, Fig. 3 [Zootaxa 4702 (no. 1); ref. 37146] Off Daxi, Yilan, northeastern Taiwan, circa 24°50'N, 122°00'E, depth 400 - 500 meters. Holotype: ASIZP 62947. Paratypes: ASIZP 61823 (1), NMMB-P006230 (1). •Valid as Gigantactis cheni Ho & Shao 2019. Current status: Valid as Gigantactis cheni Ho & Shao 2019. Gigantactinidae. Distribution: Northeastern Taiwan, western Pacific. Habitat: marine.

elsmani, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:43, Figs. 4E, 41, 42 [Contributions in Science (Los Angeles) No. 332; ref. 5330] South Atlantic, 10°57'S, 11°20'W, Walther Herwig station 459/71, depth 0-1900 meters. Holotype: ISH 1360-1971. Paratypes: LACM 10687-1 (1). Non-type, tentatively referred: MCZ 51269 (1). Type catalog: Krefft 1987:82 [ref. 20751]. Males unknown. •Valid as Gigantactis elsmani Bertelsen, Pietsch & Lavenberg 1981 -- (Amaoka in Amaoka et al. 1983:119, 199 [ref. 8379], Amaoka in Masuda et al. 1984:107 [ref. 6441], Bertelsen 1990:513 [ref. 15724], Fedorov 1994:414 [ref. 22695], Nakabo 2000:470 [ref. 25086], Sheiko & Fedorov 2000:24 [ref. 25650], McGrouther 2001:646 [ref. 25581], Anderson & Leslie 2001:23 [ref. 26165], Nakabo 2002:470 [ref. 26001], Paxton et al. 2006:668 [ref. 28994], Pietsch 2009:465 [ref. 30766], Parin et al. 2014:189 [ref. 33547], Stewart & Pietsch 2015:933 [ref. 34271], Pietsch 2016:2074 [ref. 34597], Fermon et al. 2022:304 [ref. 39448] with question). Current status: Valid as Gigantactis elsmani Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: Atlantic; Pacific. Habitat: marine.

exodon, Gigantactis Regan [C. T.] & Trewavas [E.] 1932:94, Pl. 5 (fig. 1); Fig. 151 [Dana Report No. 2; ref. 3682] Caribbean Sea, 18°50'N, 79°07'W, Dana station 1217, depth about 1250 meters (2500 meters wire out). Holotype (unique): ZMUC P92128. Type catalog: Nielsen 1974:97 [ref. 9588]. •Synonym of Gigantactis vanhoeffeni Brauer 1902 -- (Bertelsen et al. 1981:31 [ref. 5330], Bertelsen 1990:514 [ref. 15724], Pietsch 2009:459 [ref. 30766]). Current status: Synonym of Gigantactis vanhoeffeni Brauer 1902. Gigantactinidae. Habitat: marine.

filibulbosus, Gigantactis Fraser-Brunner [A.] 1935:326, Fig. 5 [Proceedings of the Royal Irish Academy Section B Biological Geological and Chemical Science v. 42; ref. 1491] North Atlantic, Irish Atlantic Slope, 53°15'N, 12°28'W, depth 0-320 meters. Holotype (unique): BMNH 1934.8.8.92. Males unknown. •Status uncertain -- (Bertelsen et al. 1981:57 [ref. 5330], Bertelsen in Whitehead et al. 1986:1406 [ref. 13677]). •Nomen dubium in Gigantactis -- (Pietsch 2009:472 [ref. 30766]). Nomen Dubium. Gigantactinidae. Habitat: marine.

gargantua, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:46, Figs. 1D, 4H, 45-46 [Contributions in Science (Los Angeles) No. 332; ref. 5330] Eastern Pacific, San Clemente basin, off northern Baja California, Mexico, 32°16'N, 117°43'W, depth 0-1250 meters (over bottom depth of 1775 meters). Holotype: LACM 6903-32. Paratypes: LACM 9748-28 (1), 30415-27 (1), 30996-16 (1), 30997-2 (1), 32749-3 (1); ZMMU P-18173 [ex IOM] (1). Type catalog: Vasil'eva et al. 2001:72-73 [ref. 25714]. Males unknown. •Valid as Gigantactis gargantua Bertelsen, Pietsch & Lavenberg 1981 -- (Amaoka in Amaoka et al. 1983:121, 199 [ref. 8379], Amaoka in Masuda et al. 1984:108 [ref. 6441], Nakabo 2000:469 [ref. 25086], Nakabo 2002:469 [ref. 26001], Love et al. 2005:62 [ref. 37547], Mundy 2005:274 [ref. 28379], Pietsch 2008:389 [ref. 30637], Pietsch 2009:466 [ref. 30766], Love et al. 2021:90 [ref. 39279], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis gargantua Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: Indo-West Pacific (scattered localities); eastern Pacific: northern Oregon (U.S.A.) south to northern Baja California (Mexico). Habitat: marine.

gibbsi, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:36, Fig. 34 [Contributions in Science (Los Angeles) No. 332; ref. 5330] Atlantic, Gulf of Guinea, 2°01'N, 3°56'W, depth 0-465 meters. Holotype: ZIN 44262. Paratypes: USNM 218613 (1). Males unknown. •Valid as Gigantactis gibbsi Bertelsen, Pietsch & Lavenberg 1981 -- (Pequeño 1989:44 [ref. 14125], Bertelsen 1990:513 [ref. 15724], Pietsch 2003:1068 [ref. 27014], Hartel et al. 2008:326 [ref. 29890], Pietsch 2009:461 [ref. 30766], Kharin 2011:663 [ref. 31582], Pietsch 2016:2074 [ref. 34597], Kenchington et al. 2020:[9] [ref. 37729], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis gibbsi Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: Atlantic. Habitat: marine.

golovani, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:44, Figs. 4J, 43-44 [Contributions in Science (Los Angeles) No. 332; ref. 5330] Southern Central Atlantic, 2°27'S, 19°00'W, Walther Herwig station 471-III/71, depth 0-660 meters. Holotype: ISH 2250-1971. Paratypes: MCZ 51272 (1), ZIN 44263 (1). Non-types, tentatively referred: LACM 37517-1 (1). Type catalog: Krefft 1987:82 [ref. 20751]. Males unknown. •Valid as Gigantactis golovani Bertelsen, Pietsch & Lavenberg 1981 -- (Bertelsen 1990:513 [ref. 15724], Mundy 2005:274 [ref. 28379], Pietsch 2009:466 [ref. 30766], Pietsch 2016:2074 [ref. 34597]). Current status: Valid as Gigantactis golovani Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: Atlantic, and perhaps the Hawaiian Islands (central Pacific). Habitat: marine.

gracilicauda, Gigantactis Regan [C. T.] 1925:565 [Annals and Magazine of Natural History (Series 9) v. 15 (no. 91); ref. 3677] Atlantic, 13°46' [or 47']N, 61°26'W, Dana Station 1183, depth about 2250 meters (4500 meters wire out). Holotype (unique): ZMUC P92129. Type catalog: Nielsen 1974:98 [ref. 9588]. Males unknown. •Valid as Gigantactis gracilicauda Regan 1925 -- (Bertelsen et al. 1981:38 [ref. 5330], Bertelsen 1990:513 [ref. 15724], Pietsch 2003:1068 [ref. 27014], Pietsch 2009:462 [ref. 30766], Kharin 2011:663 [ref. 31582], Pietsch 2016:2074 [ref. 34597], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis gracilicauda Regan 1925. Gigantactinidae. Distribution: Atlantic. Habitat: marine.

herwigi, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:49, Figs. 4G, 50-51 [Contributions in Science (Los Angeles) No. 332; ref. 5330] South Atlantic, 4°43'S, 26°39'W, Walther Herwig station 17/68, depth 0-2000 meters. Holotype (unique): ISH 972-1968. Type catalog: Krefft 1987:82 [ref. 20751]. Males unknown. •Valid as Gigantactis herwigi Bertelsen, Pietsch & Lavenberg 1981 -- (Amaoka in Amaoka et al. 1983:121, 199 [ref. 8379], Pietsch 2009:468 [ref. 30766], Pietsch 2016:2074 [ref. 34597], Kenchington et al. 2020:[10] [ref. 37729]). Current status: Valid as Gigantactis herwigi Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: Atlantic. Habitat: marine.

ios, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:56, Figs. 59, 67 [Contributions in Science (Los Angeles) No. 332; ref. 5330] Northeastern Atlantic, southwest of Madeira, 29°49'N, 23°00'W, Discovery station 7856-48, depth 1005-1250 meters. Holotype (unique): BMNH 1977.9.13.1. Males unknown. •Valid as Gigantactis ios Bertelsen, Pietsch & Lavenberg 1981 -- (Bertelsen 1990:514 [ref. 15724], Swinney 1995:56 [ref. 22647], Swinney 1995:40 [ref. 37293], Bertelsen & Pietsch 2002:961 [ref. 26506], Hartel et al. 2008:326 [ref. 29890], Pietsch 2009:471 [ref. 30766], Pietsch 2016:2074 [ref. 34597], Carneiro et al. 2019:220 [ref. 37250], Kenchington et al. 2020:[13] [ref. 37729], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis ios Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: North Atlantic. Habitat: marine.

kreffti, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:29, Figs. 4D, 27-29 [Contributions in Science (Los Angeles) No. 332; ref. 5330] Southeastern Atlantic, 39°19'S, 3°15'W, Walther Herwig station 406/71, depth 0-2000 meters. Holotype: ISH 1099-1971. Paratypes: ISH 1262-1971 (1); ABE or ZUMT 52706 (1), ZMUC P921983 [ex ISH 3236-1971] (1). Type catalog: Krefft 1987:82 [ref. 20751]. Males unknown. •Valid as Gigantactis kreffti Bertelsen, Pietsch & Lavenberg 1981 -- (Yamakawa in Okamura et al. 1982:197, 362 [ref. 8256], Amaoka in Masuda et al. 1984:107 [ref. 6441], Nakabo 2000:470 [ref. 25086], Anderson & Leslie 2001:23 [ref. 26165], Nakabo 2002:470 [ref. 26001], Pietsch 2009:458 [ref. 30766]). Current status: Valid as Gigantactis kreffti Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: South Africa, off Japan and Tasmania (5 specimens). Habitat: marine.

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.

liparis, Laevoceratias Parr [A. E.] 1927:33, Fig. 13 [Bulletin of the Bingham Oceanographic Collection Yale University v. 3 (art. 1); ref. 3366] Off Cat Island, Bahamas, 24°11'N, 75°37'W, 8000 feet [2400 meters] wire out. Holotype (unique): YPM 2013. Type catalog: Moore & Boardman 1991:12 [ref. 16741] with genus as Laevoceratius. •As Gigantactis male group I -- (Pietsch 2009:473 [ref. 30766]). Gigantactinidae. Habitat: marine.

longicauda, Gigantactis Bertelsen [E.] & Pietsch [T. W.] 2002:958, Figs. 1-2 [Copeia 2002 (no. 4); ref. 26506] Western North Atlantic, 23°46'N, 58°59'W, depth 500-1200 to 0 meters. Holotype (unique): ISH 5539-1979. Males unknown. •Valid as Gigantactis longicauda Bertelsen & Pietsch 2002 -- (Pietsch 2009:471 [ref. 30766]). Current status: Valid as Gigantactis longicauda Bertelsen & Pietsch 2002. Gigantactinidae. Distribution: Western North Atlantic (1 specimen). Habitat: marine.

longicirra, Gigantactis Waterman [T. H.] 1939:82, Figs. 1-2 [Bulletin of the Museum of Comparative Zoology v. 85 (no. 3); ref. 17229] Western North Atlantic, 39°06'N, 70°16'W, Atlantis station 2894, closing net at 1000 meters, bottom depth 2860 meters. Holotype (unique): MCZ 35065. •Valid as Gigantactis longicirra Waterman 1939 -- (Bertelsen et al. 1981:26 [ref. 5330], Scott & Scott 1988:249 [ref. 25518], McAllister 1990:230 [ref. 14674], Bertelsen 1990:514 [ref. 15724], Pietsch 1999:2036 [ref. 24766], Pietsch 2003:1068 [ref. 27014], Moore et al. 2003:216 [ref. 27076], Pietsch 2009:457 [ref. 30766], Pietsch 2016:2074 [ref. 34597], Carneiro et al. 2019:220 [ref. 37250], Kenchington et al. 2020:[12] [ref. 37729], Mincarone et al. 2021:24 [ref. 38381], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis longicirra Waterman 1939. Gigantactinidae. Distribution: Atlantic; eastern Pacific. Habitat: marine.

macronema, Gigantactis Regan [C. T.] 1925:565 [Annals and Magazine of Natural History (Series 9) v. 15 (no. 91); ref. 3677] Central North Atlantic, 31°47'N, 41°41'W, Dana station 1365, depth about 2500 meters, 5000 meters wire out. Holotype (unique): ZMUC P92130. Type catalog: Nielsen 1974:98 [ref. 9588]. Males unknown. •Valid as Gigantactis macronema Regan 1925 -- (Bertelsen et al. 1981:50 [ref. 5330], Fujii in Uyeno et al. 1983:264 [ref. 14275], Anderson & Leslie 2001:24 [ref. 26165], Bertelsen & Pietsch 2002:961 [ref. 26506], Pietsch 2003:1068 [ref. 27014], Love et al. 2005:62 [ref. 37547], Mundy 2005:274 [ref. 28379], Pietsch 2009:468 [ref. 30766], Love et al. 2021:90 [ref. 39279], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis macronema Regan 1925. Gigantactinidae. Distribution: Atlantic; North Pacific Ocean: Hawaiian Islands (U.S.A.); eastern Pacific: central California (U.S.A.) south to Pacific coast of Baja California (Mexico). 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]). Current status: Valid as Rhynchactis macrothrix Bertelsen & Pietsch 1998. Gigantactinidae. Distribution: Atlantic; southwestern Indian Ocean; northwestern Pacific. Habitat: marine.

meadi, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:33, Figs. 4B, 18, 20, 23, 32-33 [Contributions in Science (Los Angeles) No. 332; ref. 5330] Southwestern Indian Ocean, Anton Bruun station 352A, 34°14'S, 64°56'E [or 33°53'S, 64°55'E], depth 0 to 350 meters. Holotype: MCZ 52572. Paratypes: ISH 415-1976 (1), 571-1976 [?631-1976] (1), 883-1971 (1), 965-1971 (1), 1004-1971 (1), 1465-1971 (1); LACM 11242-12 (1); SAM 27811 (1); USNM 208032 (1); ZMUC P291987 [ex ISH 1004-1971] (1). Non-types: IOM (1), SAM 27807-08 (1, 1). Type catalog: Krefft 1987:82-83 [ref. 20751]. Males unknown. •Valid as Gigantactis meadi Bertelsen, Pietsch & Lavenberg 1981 -- (Pequeño 1989:44 [ref. 14125], Stewart & Pietsch 1998:26 [ref. 23378], Anderson & Leslie 2001:24 [ref. 26165], Pietsch 2009:460 [ref. 30766], Kharin 2011:663 [ref. 31582], Stewart & Pietsch 2015:934 [ref. 34271], Ho & Shao 2019:17 [ref. 37146]). Current status: Valid as Gigantactis meadi Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: Circumglobal in Southern Hemisphere. Habitat: marine.

microdontis, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:54, Figs. 56-58 [Contributions in Science (Los Angeles) No. 332; ref. 5330] Southeastern Pacific off Peru, 15°12'S, 75°44'W, Anton Bruun station 739B, depth 0-700 meters over bottom depth of 1060 meters. Holotype: MCZ 54574 [apparently not 52574]. Paratypes: IOM uncat. (1); LACM 9693-34 (1), 30284-29 (1), 32204-2 (1), 32776-2 (1), 32791-3 (1). Males unknown. •Valid as Gigantactis microdontis Bertelsen, Pietsch & Lavenberg 1981 -- (Bertelsen & Pietsch 2002:961 [ref. 26506], Love et al. 2005:62 [ref. 37547], Mundy 2005:275 [ref. 28379], Pietsch 2009:470 [ref. 30766], Prokofiev & Pietsch 2019:441 [ref. 36951], Love et al. 2021:90 [ref. 39279], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis microdontis Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: Western and central Pacific: Caroline Islands (Federated States of Micronesia), Hawaiian Islands (U.S.A.); eastern Pacific: Oregon and California (U.S.A.), Peru. Habitat: marine.

microphthalmus, Teleotrema Regan [C. T.] & Trewavas [E.] 1932:93, Fig. 149 [Dana Report No. 2; ref. 3682] Eastern tropical Atlantic, 8°26'N, 15°11'W, Dana station 4003, depth about 2500 meters (5000 meters of wire out). Holotype (unique): ZMUC P92127. Type catalog: Nielsen 1974:98 [ref. 9588]. The specific name microphthalmus is treated as a noun by the authors. •Valid as Gigantactis microphthalmus (Regan & Trewavas 1932) -- (authors). •As Gigantactis male group II -- (Pietsch 2009:473 [ref. 30766]). Current status: Valid as Gigantactis microphthalmus (Regan & Trewavas 1932). Gigantactinidae. Distribution: Eastern Tropical Atlantic. 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.

ovifer, Gigantactis Regan [C. T.] & Trewavas [E.] 1932:95, Fig. 152 [Dana Report No. 2; ref. 3682] South China Sea, 14°37'N, 119°52'E, Dana station 3731, depth about 1250 meters (2500 meters wire out). Holotype (unique): ZMUC P92131. Type catalog: Nielsen 1974:98 [ref. 9588]. Males unknown. •Status uncertain -- (Bertelsen et al. 1981:57 [ref. 5330]). •Nomen dubium in Gigantactis -- (Pietsch 2009:472 [ref. 30766]). Gigantactinidae. Distribution: South China Sea [if valid]. Habitat: marine.

paresca, Gigantactis Rickle [S. Z.] 2024:153, Fig. [Ichthyology & Herpetology v. 112 (no. 2); ref. 41148] Clarion Clipperton zone, eastern North Pacific. Holotype (unique). •Valid as Gigantactis paresca Rickle 2024. Current status: Valid as Gigantactis paresca Rickle 2024. Gigantactinidae. Distribution: Eastern North Pacific: Clarion Clipperton zone. Habitat: marine.

paxtoni, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:39, Figs. 36-38 [Contributions in Science (Los Angeles) No. 332; ref. 5330] 100 kilometers east of Broken Bay, New South Wales, Australia, 33°28'S, 152°33'E, depth 0-900 meters (over bottom depth of 4200 meters). Holotype: AMS I.20314-018. Paratypes: AMS I.20070-016 (1), I.20306-007 (1), I.20314-060 (3); ZMMU P-18176 [ex IOM] (1); IOM uncat. (1). Type catalog: Vasil'eva et al. 2001:72 [ref. 25714]. Males unknown. •Valid as Gigantactis paxtoni Bertelsen, Pietsch & Lavenberg 1981 -- (Paxton et al. 1989:292 [ref. 12442], Paulin et al. 1989:137 [ref. 24556], Stewart & Pietsch 1998:26 [ref. 23378], Pietsch 1999:2036 [ref. 24766], McGrouther 2001:646 [ref. 25581], Paxton et al. 2006:668 [ref. 28994], Pietsch 2008:388 [ref. 30637], Pietsch 2009:463 [ref. 30766], Kharin 2011:663 [ref. 31582], Stewart & Pietsch 2015:935 [ref. 34271], Ho & Shao 2019:17 [ref. 37146]). Current status: Valid as Gigantactis paxtoni Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: Indo-West Pacific (scattered localities). Habitat: marine.

perlatus, Gigantactis Beebe [W.] & Crane [J.] 1947:167, Pl. 2 (fig. 3); Fig. 13 [Zoologica, Scientific Contributions of the New York Zoological Society v. 31 (pt 4, no. 11); ref. 6539] 11 miles southwest by west of Jicaron Island, Panama [eastern Pacific], 7°08'N, 81°57'W, depth 0 to 500 fathoms [915 meters]. Holotype (unique): CAS-SU 46487 [ex NYZS 28621]. Type catalog: Mead 1958:133 [ref. 20648]. Males unknown. •Valid as Gigantactis perlatus Beebe & Crane 1947 -- (Bertelsen et al. 1981:41 [ref. 5330], Amaoka in Amaoka et al. 1983:119, 198 [ref. 8379], Amaoka in Masuda et al. 1984:107 [ref. 6441], Pequeño 1989:44 [ref. 14125], Pietsch 1999:2036 [ref. 24766], Nakabo 2000:469 [ref. 25086], Anderson & Leslie 2001:25 [ref. 26165], Nakabo 2002:469 [ref. 26001], Pietsch 2003:1068 [ref. 27014], Moore et al. 2003:216 [ref. 27076], Mundy 2005:275 [ref. 28379], Castellanos-Galindo et al. 2006:202 [ref. 28944], Pietsch 2009:464 [ref. 30766], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis perlatus Beebe & Crane 1947. Gigantactinidae. Distribution: Circumglobal in tropical and subtropical seas. Habitat: marine.

savagei, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:53, Figs. 54-55 [Contributions in Science (Los Angeles) No. 332; ref. 5330] Eastern North Pacific, Cortez Bank, 31°40'N, 120°23'W, depth 0-650 meters. Holotype: LACM 9706-41. Paratypes: LACM 37080-1 (1), 37520-1 (1). Males unknown. •Valid as Gigantactis savagei Bertelsen, Pietsch & Lavenberg 1981 -- (Bertelsen & Pietsch 2002:961 [ref. 26506], Love et al. 2005:62 [ref. 37547], Mundy 2005:275 [ref. 28379], Pietsch 2009:469 [ref. 30766], Love et al. 2021:90 [ref. 39279], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis savagei Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: North Pacific: Hawaiian Islands (U.S.A.) to southern California (U.S.A.) and Baja California (Mexico). Habitat: marine.

sexfilis, Gigantactis Regan [C. T.] & Trewavas [E.] 1932:94, Pl. 5 (fig. 2); Fig. 150 [Dana Report No. 2; ref. 3682] Atlantic, 13°07'N, 57°20'W, Dana station 1181, depth about 2000 meters (4000 meters wire out). Holotype (unique): ZMUC P92132. Type catalog: Nielsen 1974:98 [ref. 9588]. •Synonym of Gigantactis gracilicauda Regan 1925 -- (Bertelsen et al. 1981:38 [ref. 5330], Bertelsen 1990:513 [ref. 15724], Pietsch 2009:462 [ref. 30766]). Current status: Synonym of Gigantactis gracilicauda Regan 1925. Gigantactinidae. Habitat: marine.

vanhoeffeni, Gigantactis Brauer [A.] 1902:296 [Zoologischer Anzeiger v. 25 (no. 668); ref. 631] East of Zanzibar, 5°42'S, 43°36'E, Tanzania, western Indian Ocean, Valdivia station 239, depth 0 to 2500 meters. Lectotype: ZMB 17712. Paralectotypes: ZMB (1) Valdivia station 223. Lectotype selected by Bertelsen et al. 1981:31 [ref. 5330]. Males unknown. •Valid as Gigantactis vanhoeffeni Brauer 1901 -- (Paxton 1979:8 [ref. 6440], Bertelsen et al. 1981:31 [ref. 5330], Fujii in Uyeno et al. 1983:263 [ref. 14275], Amaoka in Amaoka et al. 1983:117, 198 [ref. 8379], Amaoka in Masuda et al. 1984:106 [ref. 6441], Bertelsen in Whitehead et al. 1986:1406 [ref. 13677], Scott & Scott 1988:249 [ref. 25518], Pequeño 1989:44 [ref. 14125], McAllister 1990:230 [ref. 14674], Bertelsen 1990:514 [ref. 15724], Stearn & Pietsch in Okamura et al. 1995:133 [ref. 22531], Pietsch 1999:2036 [ref. 24766], Nakabo 2000:469 [ref. 25086], Anderson & Leslie 2001:26 [ref. 26165], Mecklenburg et al. 2002:313 [ref. 25968], Nakabo 2002:469 [ref. 26001], Pietsch 2003:1068 [ref. 27014], Moore et al. 2003:217 [ref. 27076], Love et al. 2005:62 [ref. 37547], Mundy 2005:275 [ref. 28379], Castellanos-Galindo et al. 2006:202 [ref. 28944], Pietsch 2009:459 [ref. 30766], Møller et al. 2010:47 [ref. 31169], Fricke et al. 2011:368 [ref. 31242], Kharin 2011:663 [ref. 31582], Maslenikov et al. 2013:8 [ref. 37947], Stewart & Pietsch 2015:936 [ref. 34271], Afonso et al. 2016:38, 156 [ref. 36199], Pietsch 2016:2074 [ref. 34597], Fricke et al. 2018:92 [ref. 35805], Carneiro et al. 2019:220 [ref. 37250], Kenchington et al. 2020:[9] [ref. 37729], Love et al. 2021:91 [ref. 39279], Mincarone et al. 2021:24 [ref. 38381], Page et al. 2023:167 [ref. 40505]). Current status: Valid as Gigantactis vanhoeffeni Brauer 1902. Gigantactinidae. Distribution: Circumglobal. Habitat: marine.

watermani, Gigantactis Bertelsen [E.], Pietsch [T. W.] & Lavenberg [R. J.] 1981:49, Figs. 47-49 [Contributions in Science (Los Angeles) No. 332; ref. 5330] Eastern tropical Atlantic, 1°04'N, 18°22'W, Walther Herwig station 478/71, depth 0-2100 meters. Holotype (unique): ISH 2330-1971. Type catalog: Krefft 1987:83 [ref. 20751]. •Valid as Gigantactis watermani Bertelsen, Pietsch & Lavenberg 1981 -- (Amaoka in Amaoka et al. 1983:121, 199 [ref. 8379], Bertelsen 1990:515 [ref. 15724], Pietsch 2009:467 [ref. 30766], Pietsch 2016:2074 [ref. 34597], Mincarone et al. 2021:19 [ref. 38381], Eduardo et al. 2022:10 [ref. 39574]). Current status: Valid as Gigantactis watermani Bertelsen, Pietsch & Lavenberg 1981. Gigantactinidae. Distribution: Tropical Atlantic and western Pacific. Habitat: marine.