Classification of the genus Protetragonites
G. †Protetragonites Hyatt 1900
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†Protetragonites crebrisulcatus Uhlig 1883
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Invalid names: Protetragonites mediocris Druschtschitz 1956 [synonym]
†Protetragonites quadrisulcatus d'Orbigny 1841
†Protetragonites tauricus Kuljinskaia-Voronetz 1933
†Protetragonites zuegeli Maisch and Salfinger-Maisch 2016
Invalid names: Hemitetragonites Spath 1927 [synonym], Leptotetragonites Spath 1927 [synonym]