arcticus, Squalus Faber [F.] 1829:17 [Naturgeschichte der Fische Islands; ref. 13329] Iceland and Norway, Northeastern Atlantic. No types known. •Synonym of Galeocerdo cuvier (Péron & Lesueur 1822) -- (Compagno 1973:26 [ref. 7163], Compagno 1984:503 [ref. 6846], Springer 1990:101 [ref. 19320], Randall 1992:21 [ref. 20251], Compagno & Niem 1998:1349 [ref. 23787], Smith-Vaniz et al. 1999:116 [ref. 25013], Mecklenburg et al. 2002:72 [ref. 25968], Espinosa Pérez et al. 2004:61 [ref. 27705], Bonfil & Abdallah 2004:33 [ref. 27735], Mundy 2005:92 [ref. 28379], Hoese et al. 2006:103 [ref. 29001], Castro 2011:466 [ref. 31457]). •Valid as Galeocerdo arcticus (Faber 1829) -- (Naylor et al. 2012:34 [ref. 32267] with question, see remarks). Current status: Synonym of Galeocerdo cuvier (Péron & Lesueur 1822). Galeocerdonidae. Habitat: freshwater, brackish, marine.