acutipinna, Triakis Kato [S.] 1968:320, Figs. 1-2 [Copeia 1968 (no. 2); ref. 19763] Isla de la Plata, Ecuador. Holotype (unique): USNM 201409. Type catalog: Howe & Springer 1993:2 [ref. 21812]. •Valid as Triakis acutipinna Kato 1968 -- (Compagno 1984:428 [ref. 6846], Compagno et al. in Fischer et al. 1995:741 [ref. 22829], Chirichigno F. & Vélez D. 1998:48 [ref. 24555], Compagno 1999:482 [ref. 25589], Weigmann 2016:50 [ref. 34211], Calle-Morán et al. 2020:242 [ref. 37881]). Current status: Valid as Triakis acutipinna Kato 1968. Triakidae: Triakinae. Distribution: Eastern Pacific: mainland Ecuador endemic. Habitat: marine.