| The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win! 
					Search the database pages: 
 Publication Zatravkin (1987): summarypublication summary
 Complete CitationZatravkin, M.N. 1987. Recent species of the subfamily Psilunioninae (Bivalvia: Unionidae) in the fauna of the USSR. Byulleten' Moskovskogo Obshchestva Ispytatelei Prirody Otdel Biologicheskii 92(4): 46-59. Attributed Nominal Species| Potomida armenica Zatravkin, 1987‘Kobelt’ Zatravkin, 1987. Byull. Mosk. Obshch.. Ispyt. Prir. 92(4): 48.
 |  |
 | Unio arazenus Zatravkin, 1987‘Drouet’ Zatravkin, 1987. Byull. Mosk. Obshch.. Ispyt. Prir. 92(4): 49.
 |  |
 | Unio crassus var. irgislaicus Zatravkin, 1987‘Lindholm’ Zatravkin, 1987. Byull. Mosk. Obshch.. Ispyt. Prir. 92(4): 57.
 |  |
 | Unio mingrelicus var. stevenianiformes Zatravkin, 1987‘Shadin’ Zatravkin, 1987. Byull. Mosk. Obshch.. Ispyt. Prir. 92(4): 56.
 |  |
 | Unio raddei var. kutaisiana Zhadin, 1938‘Kobelt’  of Authors.
 Zhadin, 1938. Faune USSR Mollusques 4(1): 94.
 Zatravkin, 1987. Byull. Mosk. Obshch.. Ispyt. Prir. 92(4): 49.
 |  |
 Taxonomic OpinionsBatavusiana (Crassunio) crassa (Phillipsson, 1788) = Unio crassus+ Unio pseudolitoralis Clessin, 1877
 Batavusiana (s.s.) fuscula (Rossmaessler, 1835) = Unio nanus Batavusiana (s.s.) gregorii (Kobelt, 1912) = Unio gontierii Batavusiana (s.s.) irenjensis (Kobelt, 1912) = Unio crassus Batavusiana (s.s.) irgislaica [sic] (Lindholm, 1904) = Unio crassus Batavusiana (s.s.) mingrelica (Drouet, 1881) = Unio gontierii Batavusiana (s.s.) musiva (Spengler, 1793) = Unio crassus+ Mya batava Maton & Rackett, 1807
 + Unio ater Nilsson, 1822
 + Unio stevenianus Drouët, 1881
 Batavusiana (s.s.) musiva (Spengler, 1793) = Unio gontierii Batavusiana (s.s.) nana (Lamarck, 1819) = Unio nanus+ Unio consentaneus Rossmässler, 1836
 Batavusiana (s.s.) sobriewskii (Rosen, 1925) = Unio gontierii Batavusiana (s.s.) stevenianiformes [sic] (Shadin, 1938) = Unio gontierii Eolymnium (Shadininaia) araxenum (Drouet, 1881) = Unio mardinensis Eolymnium (Shadininaia) byzantinum (Drouet, 1880) = Unio gontierii+ Unio sieversi Drouët, 1881
 Eolymnium (Shadininaia) byzantinum (Drouet, 1880) = Unio vicarius Eolymnium (Shadininaia) colchicum (Drouet, 1881) = Unio gontierii Eolymnium (Shadininaia) kutaisianum [sic] (Kobelt, 1886) = Unio gontierii Eolymnium (Shadininaia) raddei (Drouet, 1881) = Unio gontierii Potomida armenica [sic] (Kobelt, 1912) = Unio mardinensis Potomida komarovi [sic] (Böttger, 1880) = Unio bruguierianus+ Psilunio rothi var. komarovi Zhadin, 1938
 Potomida komarovi [sic] (Böttger, 1880) = Unio mardinensis |