spinifer, Histiopterus Gilchrist [J. D. F.] 1904:3, Pl. 21 [Marine Investigations in South Africa v. 3; ref. 1646] Mossel Bay, South Africa, southwestern Indian Ocean, depth 30-36 fathoms. Holotype (unique): SAM 11692. •Valid as Histioperus spinifer Gilchrist 1904 -- (Klausewitz 1980:20 [ref. 39510], Dor 1984:178 [ref. 29757], Klausewitz 1986:285 [ref. 39512]). •Synonym of Histiopterus typus Temminck & Schlegel 1844 -- (Hardy 1983:179 [ref. 5385], Heemstra 1986:622 [ref. 5660], Golani & Fricke 2018:112 [ref. 36273], Ali et al. 2021:198 [ref. 38674], Heemstra 2022:430 [ref. 39850]). Current status: Synonym of Histiopterus typus Temminck & Schlegel 1844. Pentacerotidae: Histiopterinae. Habitat: marine.