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''Prestonella'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Bothriembryontidae.〔Breure A. S. H. & Romero P. (2012). "Support and surprises: molecular phylogeny of the land snail superfamily Orthalicoidea using a three-locus gene analysis with a divergence time analysis and ancestral area reconstruction (Gastropoda: Stylommatophora)". ''Archiv für Molluskenkunde: International Journal of Malacology'' 141(1): 1-20. .〕 == Taxonomy == Prestonellidae (as a not available name) was tentatively placed as a synonym of Aillyidae in the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005.〔 ''Prestonella'' is the type genus of the family Prestonellidae, but Prestonellidae is not an available name, because it has no diagnosis.〔 ''Prestonella'' was considered as the only genus in the family Prestonellidae. Herbert (2007)〔 has classified ''Prestonella'' in Bulimulidae ''sensu lato'' within Orthalicoidea.〔 Herbert & Mitchell (2009)〔 have classified ''Prestonella'', for which the phylogenetic relationships were previously unknown, in the superfamily Orthalicoidea.〔Herbert D. G. & Mitchell A. (2008). "Phylogenetic relationships of the enigmatic land snail genus ''Prestonella'': the missing African element in the Gondwanan superfamily Orthalicoidea (Mollusca: Stylommatophora)". ''Zoological Journal of the Linnean Society'' 96(1): 203-221. .〕 Breure et al. (2010)〔 moved ''Prestonella'' to Placostylidae,〔Breure A. S. H., Groenenberg D. S. J. & Schilthuizen M. (2010). "New insights in the phylogenetic relations within the Orthalicoidea (Gastropoda, Stylommatophora) based on 28S sequence data". ''Basteria'' 74(1-3): 25-31.〕 that Breure & Romero (2012)〔 renamed to Bothriembryontidae.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Prestonella」の詳細全文を読む スポンサード リンク
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