Capulidae Fleming, 1822
Iphinoe unicarinatus (Broderip & Sowerby, 1829)
Neoiphinoe arctica (Middendorff, 1849)
Neoiphinoe coronata (Gould, 1860)
Neoiphinoe echinata (Egorov & Alexeyev, 1998)
Neoiphinoe kroeyeri (Philippi, 1849)
Neoiphinoe ovoidea (Egorov & Alexeyev, 1998)
Neoiphinoe permabilis (Dall, 1871)
Neoiphinoe triseriata (Golikov, 1986)
