†Amundiptychites Kemper & Jeletzky 1979

Kemper & Jeletzky 1979. New stratigraphically and phylogenetically important olcostephanid (Ammonitida) taxa from the uppermost Lower and Upper Valanginian of Sverdrup Basin, N.W.T. Geological Survey of Canada Paper, 79(19) 1979: 1-25