Classification of the genus Gymnotoceras

G. †Gymnotoceras Hyatt 1877
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†Gymnotoceras blakei Gabb 1864
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Invalid names: Beyrichites falciformis Smith 1914 [synonym]
†Gymnotoceras crimicus Astakhova 1976
†Gymnotoceras falcatum Mojsisovics 1886
†Gymnotoceras ginsburgi Bucher 1992
†Gymnotoceras inflatum Konstantinov 1991
†Gymnotoceras mimetus Monnet and Bucher 2005
†Gymnotoceras olenekense Dagys and Konstantinov 1986
†Gymnotoceras praecursor Bucher 1992
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Invalid names: Beyrichites tenuis Smith 1914 [synonym], Ceratites (Phillipites) argentarius Smith 1914 [synonym], Ceratites argentarius Smith 1914 [synonym], Gymnotoceras smithi Tozer 1994 [synonym]
†Gymnotoceras sublaqueatum Bychkov et al. 1976
†Gymnotoceras tasaryense Konstantinov 1991
†Gymnotoceras weitschati Monnet and Bucher 2005
†Gymnotoceras zvetkovi Konstantinov 1991
Invalid names: Acrochordiceras foltzense Smith 1914 [nomen dubium]