Order Mesogastropoda

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.

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  Kingdom Animalia (animals)
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  Eumetazoa (metazoans)
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  Bilateria (bilaterally symmetrical animals)
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  Protostomia (protostomes)
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  Lophotrochozoa
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  Trochozoa
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  Phylum Mollusca (mollusks)
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  Class Gastropoda (gastropods, slugs, and snails)
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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