Classification of Lobacheva 1983
G. †Belbekella Moisseev 1939
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†Belbekella minor Lobacheva 1983
†Belbekella mutabilis Lobacheva 1983
G. †Lacunosella Wisniewska 1932
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†Lacunosella hoheneggeri Suess 1858
†Lacunosella malbosi Pictet 1867
†Lacunosella monsalvensiformis Jacob and Fallot 1913
G. †Praecyclothyris
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†Praecyclothyris berriasensis Lobatscheva 1980
†Praecyclothyris gracilis Lobatscheva 1977
G. †Ismenia King 1850
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†Ismenia pectunculoides Schlotheim 1820
†Ismenia perillustris Smirnova 1972
G. †Psilothyris Cooper 1955
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†Psilothyris airgulensis Moisseev 1939
†Psilothyris villersensis de Loriol 1864
G. †Sellithyris Middlemiss 1959
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†Sellithyris gratianopolitensis Pictet 1868
†Sellithyris uniplicata Smirnova 1972
G. †Symphythyris
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†Symphythyris arguinensis Moisseev 1949
†Symphythyris latirostris Suess 1858
†Symphythyris substriata Schlotheim 1820