Classification of the genus Janius

G. †Janius Havlicek 1957
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Janius barrandi deVerneuil 1848
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Invalid names: Janius schmidti Lindström 1861 [synonym]
Janius exsul Barrande 1848
Janius nobilis Barrande 1848
Janius occidentalis Boucot et al. 1988