Genre Cardioceras and Amoeboceras

Cardioceras cordatum

Cardioceras costicardia

Cardioceras praecordatum

Cardioceras alphacordatum

Cardioceras excavatum

Cardioceras praemartini

Cardioceras vertebrale

Cardioceras cf. zenaidae

Cardioceras rotundatum

Scarburgiceras scarburgense

Cardioceras chalcedonicum

Amoeboceras alternans

Cardioceras bukowskii

Cardioceras russiense

Cardioceras nikitinianum