Class Gastropoda
(gastropods, slugs, and snails)

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 Opisthobranchia (opisthobranchs)
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  Order Acochlidioidea
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  Order Anaspidea
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  Order Cephalaspidea
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  Order Gymnosomata
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  Order Notaspidea
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  Order Nudibranchia (nudibranchs)
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  Order Sacoglossa
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  Order Soleolifera
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  Order Thecosomata
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  Subclass Pulmonata
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  Order Archaeopulmonata
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  Order Basommatophora
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  Order Stylommatophora (terrestrial snails and slugs)
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  Order Systellommatophora
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  Order Heterostropha
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  Order Neotaenioglossa
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  Order Patellogastropoda
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  Subclass Prosobranchia
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  Order Mesogastropoda
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  Order Neogastropoda
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  Order Archaeogastropoda
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  Order Architaenioglossa
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  Family Enteroxenidae
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  Order Entomotaeniata
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  Order Neritopsina
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  Order Rhodopemorpha