FAMILY Pseudotriakidae Gill, 1893 - false catsharks [=Pseudotriacinae, Golluminae] Notes: Pseudotriacinae Gill, 1893b:130 [ref. 26255] (subfamily) Pseudotriakis [Pseudotriacis inferred from the stem, Article 11.7.1.1; name must be corrected Article 32.5.3; stem corrected to Pseudotriak- by Jordan & Evermann 1896a:26 [ref. 2443], confirmed by Compagno 1988:195 [ref. 13488], by Compagno 1999:27 [ref. 25589] and by Nelson 2006:61 [ref. 32486]] Golluminae Compagno, 1988:192 [ref. 13488] (subfamily) Gollum GENUS Gollum Compagno, 1973 - gollumsharks [=Gollum Compagno [L. J. V.], 1973:264] Notes: [ref. 897]. Masc. Triakis attenuata Garrick, 1954. Type by original designation (also monotypic). Name treated as a masculine noun. •Valid as Gollum Compagno, 1973 -- (Compagno 1984:375 [ref. 6846], Compagno 1988:193 [ref. 13488] in new subfamily Golluminae of Proscylliidae, Compagno 1999:481 [ref. 25589] in Pseudotriakidae, Compagno et al. 2005:28 [ref. 29145] in Pseudotriakidae, Last & Gaudiano 2011:18 [ref. 31479]). Current status: Valid as Gollum Compagno, 1973. Pseudotriakidae. Species Gollum attenuatus (Garrick, 1954) - slender smoothhound [=Triakis attenuata Garrick [J. A. F.], 1954:698, Figs. 1 (A-Q), 2 (A-F)] Notes: [Transactions of the Royal Society of New Zealand v. 82 (pt 3); ref. 18271] Off Kahu Rocks, northeast of Cape Palliser, New Zealand, depth 120 fathoms. Current status: Valid as Gollum attenuatus (Garrick, 1954). Pseudotriakidae. Distribution: Southwestern Pacific: off New Zealand. Habitat: marine. Species Gollum suluensis Last & Gaudiano, 2011 - Sulu gollumshark [=Gollum suluensis Last [P. R.] & Gaudiano [J. P.], 2011:19, Figs. 1-7] Notes: [Zootaxa No. 3002; ref. 31479] Off Puerto Princesa Bay, Bagong Sikat, Palawan, Philippines, Sulu Sea, depth about 730 meters. Current status: Valid as Gollum suluensis Last & Gaudiano, 2011. Pseudotriakidae. Distribution: Philippines, western Sulu Sea basin. Habitat: marine. GENUS Planonasus Weigmann et al., 2013 - false catsharks [=Planonasus Weigmann [S.], Stehmann [M. F. W.] & Thiel [R.], 2013:164] Notes: [ref. 32426]. Masc. Planonasus parini Weigmann, Stehmann & Thiel, 2013. type by original designation. •Valid as Planonasus Weigmann, Stehmann & Thiel, 2013. Current status: Valid as Planonasus Weigmann, Stehmann & Thiel, 2013. Pseudotriakidae. Species Planonasus parini Weigmann et al., 2013 - Parin's catshark, dwarf false catshark [=Planonasus parini Weigmann [S.], Stehmann [M. F. W.] & Thiel, [R.] 2013:166, Figs. 2-20] Notes: [Zootaxa 3609 (no. 2); ref. 32426] 12°22'8"N, 53°02'7"E-12°21'2"N, 53°01'3"E, off Socotra Islands, depth 1000-1120 meters. Current status: Valid as Planonasus parini Weigmann, Stehmann & Thiel, 2013. Pseudotriakidae. Distribution: Northwestern Indian Ocean: Socotra Islands. Habitat: marine. GENUS Pseudotriakis de Brito Capello, 1868 - false catsharks [=Pseudotriakis de Brito Capello [F.], 1868:315] Notes: [ref. 718]. Fem. Pseudotriakis microdon de Brito Capello, 1868. Type by monotypy. Pseudotriacis Günther, 1870:395 [ref. 1995] is an unjustified emendation. •Valid as Pseudotriakis de Brito Capello, 1868 -- (Springer 1973:22 [ref. 7162], Taniuchi et al. 1984 [ref. 6732], Quéro in Whitehead et al. 1984:101 [ref. 13675], Compagno 1984:378 [ref. 6846], Nakaya & Shirai in Masuda et al. 1984:5 [ref. 6441], Bass 1986:96 [ref. 5635], Compagno 1988:197 [ref. 13488], Yano & Musick 1992 [ref. 19887], Compagno 1999:481 [ref. 25589], Compagno 2003:370 [ref. 26984], Hoese & Bray 2006:88 [ref. 29000] as Capella, Castro 2011:332 [ref. 31457]). Current status: Valid as Pseudotriakis de Brito Capello, 1868. Pseudotriakidae. Species Pseudotriakis microdon de Capello, 1868 - false catshark [=Pseudotriakis microdon de Brito Capello [F.], 1868:316, Pl. 5 (fig. 1), Pseudotriakis acrales Jordan [D. S.] & Snyder [J. O.], 1904:232, Pl. 62] Notes: [Jornal do Sciências Mathemáticas, Physicas e Naturaes, Lisboa v. 1 (no. 4); ref. 718] Setubal, Portugal, Northeastern Atlantic. Current status: Valid as Pseudotriakis microdon de Brito Capello, 1868. Pseudotriakidae. Distribution: Cosmopolitan, but scattered records (including North Sea, Hawaiian Islands); none from the eastern Pacific. Habitat: marine. (acrales) [Smithsonian Miscellaneous Collections v. 45; ref. 2519] Off Toi, Suruga Bay, Japan. Current status: Synonym of Pseudotriakis microdon de Brito Capello, 1868. Pseudotriakidae. Habitat: marine.