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: Acavoidea
Familiae: Acavidae - Caryodidae - Dorcasiidae - Macrocyclidae - Megomphicidae - Strophocheilidae


Acavoidea Pilsbry, 1895

The Acavoidea are a taxonomic superfamily of air-breathing land snails and slugs, terrestrial pulmonate gastropod mollusks in the informal group Sigmurethra.[1]

This taxonomy was based on the study by Nordsieck, published in 1986. [2]


Families within the superfamily Acavoidea are as follows:

* Family Acavidae Pilsbry, 1895
* Family Caryodidae Conolly, 1915
* Family Dorcasiidae Conolly, 1915
* Family Macrocyclidae Thiele, 1926
* Family Megomphicidae H.B. Baker, 1930
* Family Strophocheilidae Pilsbry, 1902


1. ^ Bouchet, P. & Rocroi, J.-P. (2005). "Classification and Nomenclator of Gastropod Families". Malacologia 47 (1-2).
2. ^ H. Nordsieck (1986). "The system of the Stylommatophora (Gastropoda), with special regard to the systematic position of the Clausiliidae, II. Importance of the shell and distribution". Archiv für Molluskenkunde 117 (1-3): 93–116.

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