Order Mesogastropoda

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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 Prosobranchia
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  Order Mesogastropoda
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  Family Abyssochrysidae
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  Family Aciculidae
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  Family Aporrhaidae
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  Family Asterophilidae
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  Family Cassididae
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  Family Chondropomidae
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  Family Choristidae
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  Family Cingulopsidae
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  Family Cochlostomatidae
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  Family Ctenosculidae
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  Superfamily Cyclophoroidea
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  Family Cyclophoridae
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  Family Diplommatinidae
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  Family Liareidae
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  Family Maizaniidae
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  Family Megalomastomidae
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  Family Poteriidae
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  Family Pupinidae
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  Family Cymatiidae
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  Family Diastomidae
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  Family Eratoidae
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  Family Fossaridae
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  Superfamily Heteropoda
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  Family Hydrococcidae
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  Family Iravadiidae
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  Family Lacunidae
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  Family Melanopsidae
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  Family Micromelaniidae
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  Family Omalaxidae
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  Family Paedophoropodidae
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  Family Pilidae
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  Family Pomatiopsidae
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  Family Pseudosacculidae
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  Family Stenothyridae
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  Family Stiliferidae
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  Family Struthiolariidae
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  Family Syrnolopsidae
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  Family Trachysmidae
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  Family Trichotropidae
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  Family Trochaclisidae
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  Superfamily Viviparoidea