Acavoidea

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

Acavoidea
A live individual of Helicophanta gloriosa, family Acavidae
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Informal group:	Sigmurethra
Superfamily:	Acavoidea Pilsbry, 1895
Families
See text

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

Taxonomy

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

References

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.