Opisthobranchia

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
Informal Group: Opisthobranchia
Cladi: Aplysiomorpha - Cephalaspidea - Gymnosomata - Nudipleura - Sacoglossa - Thecosomata - Umbraculida
"Groups": Acochlidiacea - Cylindrobullida
[list of cladi and "groups" after Bouchet & Rocroi (2005)]

Name

Opisthobranchia

References

* Bouchet, P.; Rocroi, J.-P. 2005: Classification and nomenclator of gastropod families. Malacologia, 47: 1-397.