The Achatinoidea are a superfamily of air-breathing land snails and slugs, terrestrial gastropod mollusks in the suborder Achatinina.
2005 taxonomy According to taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 there are four families within the superfamily Achatinoidea, that is based on the study by Nordsieck, published in 1986..
Family Achatinidae Swainson, 1840 Family Ferussaciidae Bourguignat, 1883 Family Micractaeonidae Schileyko, 1999 Family Subulinidae P. Fischer & Crosse, 1877
2017 taxonomy Fontanilla et al. recognized Subulinidae as not monophyletic in 2017 and they classified Subulininae within Achatinidae. This is also the taxonomy followed in the MolluscaBase/World Register of Marine Species (WoRMS): Family Achatinidae Swainson, 1840 Family Aillyidae H. B. Baker, 1955 Family Ferussaciidae Bourguignat, 1883 Family Micractaeonidae Schileyko, 1999
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