Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Monoplacophora
Ordo: †Cyrtonellida
Familia: †Cyrtolitidae
Genus: † Cyrtonella
Species: † C. expansus – † C. mitella – † C. pileolus
Name
Cyrtonella J. Hall, 1879
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