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 Publication Graf (2007): summarypublication summary
 Complete CitationGraf, D.L. 2007. Palearctic freshwater mussel (Mollusca: Bivalvia: Unionoida) diversity and the Comparatory Method as a species concept. Proceedings of the Academy of Natural Sciences of Philadelphia 156: 71-88. Available electronically. Attributed Nominal Species| Beringiana georginensis Graf, 2007‘Bogatov & Starobogatov’ Graf, 2007. Proc. Acad. Nat. Sci. 156: 86.
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 | Eolymnium byzantinium Graf, 2007Graf, 2007. Proc. Acad. Nat. Sci. 156: 84.
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 | Middendorffinaia suifunensis Graf, 2007‘Moskvicheva & Starobogatov’  of Authors.
 Graf, 2007. Proc. Acad. Nat. Sci. 156: 85.
 Lopes-Lima et al., 2020. MPE 146: Appendix 1.
 Bolotov et al., 2020. Sci. Repts. 10: S32.
 Bogatov, 2022. Lg. Bivalve Moll. Russia’s Fresh Waters: 59, 61.
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 Taxonomic OpinionsThere are 171 taxonomic opinions from this 
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