pristiurus, Notidanus (Heptanchus) cinereus var. Bellotti [C.] 1878:60 [Atti della Società Italiana di Scienze Naturali di Milano v. 20 (fasc. 1); ref. 16778] [Napoli] Naples, Italy, Mediterranean Sea. Syntypes: (2) whereabouts unknown. Appeared as "Notidanus (Heptanchus) cinereus Gmel. var. pristiurus (var. aetatis)." Confusing, but perhaps can be regarded as available, with aetatis as an alternate name. •Synonym of Heptranchias perlo (Bonnaterre 1788) -- (Compagno 1984:17 [ref. 6474], Dyldin 2015:42 [ref. 34524]). Current status: Synonym of Heptranchias perlo (Bonnaterre 1788). Hexanchidae. Habitat: marine.