The only species of Mohnia Friele, 1879 (Caenogastropoda, Buccinoidea, Buccinidae) in the North Pacific represents an unrecognized new genus of Newtoniellidae (Triphoroidea)

Radula and jaw morphology of Pseudomohnia rogerclarki sp. nov., holotype, LACM 3776 A radular ribbon B detail of rachidian and lateral teeth C detail of rachidian D detail of lateral and marginal teeth E detail of inner and outer marginal teeth F jaw, inner surface. Scale bars: 10 µm (C); 20 µm (B, D, E); 100 µm (A, F).