Rhytidoidea

Rhytidoidea
	Powelliphanta "Augustus"
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subcohort:	Panpulmonata
Superorder:	Eupulmonata
Order:	Stylommatophora
Superfamily:	Rhytidoidea ; Pilsbry, 1893
Families
	See text
Synonyms
	Acavoidea

Last updated August 20, 2025

The Rhytidoidea are a superfamily of air-breathing land snails and slugs, terrestrial gastropod mollusks in the suborder Helicina.^[1]

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

Taxonomy

Families within the superfamily Rhytidoidea are as follows:

Acavidae Pilsbry, 1895
Caryodidae Connolly, 1915
Clavatoridae Thiele, 1926
Dorcasiidae Connolly, 1915
Macrocyclidae Thiele, 1926
Megomphicidae H. B. Baker, 1930
Odontostomidae Pilsbry & Vanatta, 1898
Rhytididae Pilsbry, 1893
Strophocheilidae Pilsbry, 1902
† Vidaliellidae H. Nordsieck, 1986

Synonyms

Acavinae Pilsbry, 1895: synonym of Acavidae Pilsbry, 1895 (superseded rank)
Ammonitellidae Pilsbry, 1930: synonym of Megomphicidae H. B. Baker, 1930
Anoglyptidae Iredale, 1937: synonym of Caryodidae Connolly, 1915 (junior subjective synonym)
Aperidae Möllendorff, 1903: synonym of Chlamydephorinae T. D. A. Cockerell, 1935 (1903)
Chlamydephoridae T. D. A. Cockerell, 1935 (1903): synonym of Chlamydephorinae T. D. A. Cockerell, 1935 (1903)
Corillidae Pilsbry, 1905: synonym of Corillinae Pilsbry, 1905 (superseded rank)
Hedleyellidae Iredale, 1937: synonym of Caryodidae Connolly, 1915
Occirheneidae Iredale, 1939: synonym of Rhytidinae Pilsbry, 1893
Paryphantidae Godwin-Austen, 1893: synonym of hytidinae Pilsbry, 1893
Pedinogyridae Iredale, 1937: synonym of Caryodidae Connolly, 1915

References

1 2 MolluscaBase eds. (2021). MolluscaBase. Rhytidoidea Pilsbry, 1893. Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=890459 on 2021-02-21
↑ 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.

Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia. 61(1-2): 1-526

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[WoRMS-1] 1 2 MolluscaBase eds. (2021). MolluscaBase. Rhytidoidea Pilsbry, 1893. Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=890459 on 2021-02-21

[Nordsieck-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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