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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Mollusca (clams, snails, squids, and relatives)
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Class Gastropoda
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Order Stylommatophora
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Family Urocoptidae
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Genus Holospira
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Species Holospira arizonensis
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Species Holospira bilamellata
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Species Holospira campestris
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Species Holospira chiricahuana
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Species Holospira cionella
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Species Holospira cockerelli
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Species Holospira crossei
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Species Holospira danielsi
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Species Holospira ferrissi
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Species Holospira goldfussi
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Species Holospira hamiltoni
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Species Holospira mesolia
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Species Holospira metcalfi
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Species Holospira millestriata
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Species Holospira montivaga
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Species Holospira oritis
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Species Holospira pasonis
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Species Holospira pityis
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Species Holospira regis
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Species Holospira riograndensis
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Species Holospira sherbrookei
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Species Holospira tantalus
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Species Holospira whetstonensis
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Species Holospira yucatanensis
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