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Fossil collection records
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Classification of Popov 2017
G. †
Piarorhynchella
Dagys 1974
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†
Piarorhynchella tazawai
Popov 2017
Subfm. †
Dielasmatinae
Schuchert 1913
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G. †
Bittnerithyris
Popov 2017
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†
Bittnerithyris margaritovi
Bittner 1899