Calyptoptomatida

Parent taxon: Calyptoptomatida according to D. W. Fisher 1962

Sister taxa: Adyshevitheca, Camerothecida, Cupithecina, Globorilida, Kygmaeoceras, Neogloborilus, Persicithecidae, Phragmotheca, Stimulitheca

Subtaxa: none

Ecology: epifaunal