Orthalicoidea

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropodae
Subclassis: Orthogastropoda
Superordo: Heterobranchia
Ordo: Pulmonata
Subordo: Eupulmonata
Clade: Stylommatophora
Cladus: Orthurethra
Informal group: Sigmurethra
Superfamilia: Orthalicoidea
Familiae: Bulimulidae - Cerionidae - Coelocionitidae - Megaspiridae - Orthalicidae - Placostylidae - Urocoptidae - †Grangerellidae

Name

Orthalicoidea Albers, 1860

References

Bouchet, P. & J.-P. Rocroi. 2005: Classification and nomenclator of gastropod families. Malacologia, 47(1-2): 266.
Breure, A.S.H. 2011: Annotated type catalogue of the Orthalicoidea (Mollusca, Gastropoda) in the Royal Belgian Institute of Sciences, Brussels, with descriptions of two new species. ZooKeys, 101: 1-50. doi: 10.3897/zookeys.101.1133