Taxonomic Hierarchy
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| Kingdom | Animalia
– Animal, animaux, animals |
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| Subkingdom | Bilateria
– triploblasts |
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| Infrakingdom | Protostomia
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| Superphylum | Spiralia
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| Phylum | Mollusca
– mollusques, molusco, molluscs, mollusks |
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| Class | Gastropoda Cuvier, 1797
– gastropods, slugs, snails, escargots, gastéropodes, limaces, caracol, caramujo, lesma |
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| Subclass | Orthogastropoda
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| Infraclass | Heterobranchia
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| Superorder | Pylopulmonata
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| Order | Pyramidellida
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| Superfamily | Pyramidelloidea Gray, 1840
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| Family | Pyramidellidae Gray, 1840
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| Genus | Sayella Dall, 1885 |
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Direct Children: |
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| Species | Sayella chesapeakea Morrison, 1939
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| Species | Sayella crosseana (Dall, 1885)
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| Species | Sayella fusca (C. B. Adams, 1839)
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| Species | Sayella hemphili (Dall, 1889)
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| Species | Sayella hemphillii (Dall, 1884)
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| Species | Sayella livida Rehder, 1935
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| Species | Sayella unifasciata
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