Family Cyrtogomphoceratidae Flower, 1940

Remarks

The genera (especially the new genera) placed within the Cyrtogomphoceratida vary widely in features, such as chamber spacing, siphuncular shape, and in conch shape. Here, following Teichert (1964b) I placed all endogastrically curved brevicones with expanded siphuncular segments into this family. A family revision and probably the erection of a new family for Hosholmoceras gen. nov. are required, but a revision of the Cyrtogomphoceratidae is beyond the scope of this work.