acutipinnis, Squalus Regan [C. T.] 1908:248, Pl. 37 [Annals of the Natal Government Museum v. 1 (pt 3); ref. 14355] Southwestern Indian Ocean. Lectotype: BMNH 1905.6.8.8. Paralectotypes: (not Squalus acutipinnis) BMNH 1859.5.7.68 (1) Cape of Good Hope, 1900.11.6.14 (1) Table Bay, BMNH 1881.3.11.2 (1, stuffed and mounted) Mauritius. Lectotype selected by Krefft (1968). •Synonym of Squalus megalops (Macleay 1881) -- (Compagno 1984:118 [ref. 6474], Bass et al. 1986:62 [ref. 5636], Compagno et al. 1991:68 [ref. 21083], Fricke 1999:27 [ref. 24106], Weigmann 2016:68 [ref. 34211]). •Valid as Squalus acutipinnis Regan 1908 -- (Gubanov & Timoxin 1989:224 [ref. 36138], Ebert et al. 2010:23 [ref. 30955], Viana et al. 2016:4 [ref. 34525], Viana & Carvalho 2016:540 [ref. 34673], Viana et al. 2017:[3] [ref. 35249], Viana et al. 2017:25 [ref. 35600], Viana & Carvalho 2018:628 [ref. 36320], Ebert et al. 2021:21 [ref. 38234], Ebert 2022:421 [ref. 39657], Fricke et al. 2023:16 [ref. 40338], Leeney 2024:16 [ref. 40985]). Current status: Valid as Squalus acutipinnis Regan 1908. Squalidae. Distribution: Southeastern Atlantic, southwestern Indian Ocean: South Africa north to Mozambique, east to Madagascar and Mascarenes (Mauritius). Habitat: marine.