Classification of the genus Volzeia
G. †Volzeia Cuif 1966
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†Volzeia badiotica Volz 1896
†Volzeia carpathica Roniewicz and Michalik 2002
†Volzeia chagyabensis Deng and Zhang 1984
†Volzeia degeensis Deng and Zhang 1984
†Volzeia subdichotoma Münster 1841
†Volzeia szulci Morycowa 1988