Gandalfus puia McLay, 2007:

Western Pacific • holotype ♂ (15.5 × 24.3 mm); stn TAN0107 /128; Rumble III; 35°44.22-44.04’S, 178°29.72-29.63’E; 270- 239 m; 21.V.2001; NIWA 27855 • 1 paratype ♂ (21.3 × 33.5 mm); Macauley Caldera, Kermadec Islands; 337 m; 12.IV.2005; 30°12.78’S, 181°33.04’E; NIWA 18017 • 1 paratype ♂ (22.9 × 36.4 mm); Brothers Seamount, dive KOK0506/32; 1647 m; 2.V.2005; 34°51.70’S, 179°3.58’E; NIWA 18019 • 1 ♂ (22.6 × 36.7 mm) [coated with a brown ferric deposits, slightly damaged], 1 ♂ (11.6 × 18 mm); Kermadec Islands, Macauley Caldera, stn KOK0506/22; 337 m; 12.IV.2005; 30°12.78’S, 181°33.04’E; NIWA 18018 • 1 ♂ (entirely white) (18.8 × 29.0 mm); stn TAN1213/59; 405.0- 408 m; 26.X.2012; NIWA 86453 • 1♂, 6 ♀ [1 ♀ 10.4 × 14.3 mm, ZRC 2024.0726]; Haungaroa Caldera; HYDROTHERMADEC cruise; dive 413; stn 026; 707 m; 31.XII.2016; 32°37.04’S, 179°37.51’E; MNHNIU-2024-6553 (ex SH162-065) .