Children (9 direct children, 9 direct and indirect children):
Caribbean roughshark
Oxynotus caribbaeus
Prickly dogfish
Oxynotus bruniensis
Angular roughshark
Angular rough shark
Sailfin roughshark
Oxynotus paradoxus
Japanese roughshark
Oxynotus japonicus
Oxynotus newtoni
Oxynotus salviani
Oxynotus shubnikovi
Oxynotus typicus