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

Anatomy of Pseudomohnia gen. nov. A Pseudomohnia kurilana (Dall, 1913) comb. nov., lectotype, USNM 205224 B–E Pseudomohnia sp., LACM 1997-168.10 A, B external anatomy, dorsal view, mantle cavity opened via mid-dorsal incision C foregut, dorsal view D foregut, left-lateral view E pallial gonoduct, left-lateral view. Scale bars 1 mm. Abbreviations: ae, anterior esophagus; bg, buccal ganglion; cs, longitudinal cleft in foot sole; ct, ctendium; dg, digestive gland; go, gonad; hg, hypobranchial gland; meg, mid-esophageal gland; od, odontophore; op, opercular lobe; os, osphradium; pg, pallial gonoduct; ppg, propodeal pedal gland; r, rectum; rm, retractor muscles; rs, radular sac; sg, salivary gland; si, siphon; sp, supra-esophageal ganglion; sto, stomach; t, cephalic tentacle.