Order Stylommatophora
(terrestrial snails and slugs)

Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.

• Parent taxa
  
  
  
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  Subclass Pulmonata
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  Order Stylommatophora (terrestrial snails and slugs)
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  Family Arionidae
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  Family Bradybaenidae
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  Family Bulimulidae
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  Family Camaenidae
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  Family Ceriidae
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  Family Charopidae
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  Family Cionellidae
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  Family Discidae
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  Family Ferrussaciidae
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  Family Haplotrematidae
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  Family Helicarionidae
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  Family Helicidae
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  Family Helicodiscidae
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  Family Helminthoglyptidae
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  Suborder Heterurethra
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  Family Aillyidae
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  Family Athoracophoridae
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  Family Humboldtianidae
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  Family Hygromiidae
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  Family Limacidae
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  Family Megomphicidae
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  Suborder Mesurethra
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  Family Clausiliidae
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  Family Corillidae
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  Family Dorcasiidae
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  Family Megaspiridae
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  Family Strophocheilidae
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  Family Milacidae
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  Family Oleacinidae
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  Family Oreohelicidae
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  Suborder Orthurethra
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  Family Achatinellidae
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  Family Amastridae
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  Family Chondrinidae
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  Family Cochlicopidae
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  Family Enidae
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  Family Orculidae
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  Family Partulidae
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  Family Pleurodiscidae
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  Family Pyramidulidae
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  Family Vertiginidae
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  Family Philomycidae
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  Family Polygyridae
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  Family Punctidae
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  Family Pupillidae
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  Family Sagdidae
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  Suborder Sigmurethra
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  Infraorder Aulacopoda
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  Family Ariophantidae
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  Family Endodontidae
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  Family Euconulidae
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  Family Otoconchidae
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  Family Parmacellidae
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  Family Systrophiidae
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  Family Thyrophorellidae
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  Family Trigonochlamydidae
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  Family Trochomorphidae
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  Family Urocyclidae
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  Infraorder Holopoda
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  Family Ammonitellidae
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  Family Helicellidae
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  Infraorder Holopodopes
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  Family Acavidae
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  Family Achatinidae
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  Family Amphibulimidae
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  Family Chlamydephoridae
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  Family Odontostomidae
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  Family Orthalicidae
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  Family Rhytididae
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  Family Spiraxidae
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  Family Streptaxidae
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  Family Strobilopsidae
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  Family Subulinidae
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  Family Succineidae
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  Family Testacellidae
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  Family Thysanophoridae
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  Family Urocoptidae
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  Family Valloniidae
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  Family Vitrinidae
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  Family Xanthonychidae
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  Family Zonitidae