Order Stylommatophora
(terrestrial snails and slugs)

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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