Classification of the genus Eoprotrachyceras
G. †Eoprotrachyceras Tozer 1980
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†Eoprotrachyceras americanum Mojsisovics 1882
†Eoprotrachyceras curionii Mojsisovics 1882
†Eoprotrachyceras curionii ramonensis Parnes 1962
†Eoprotrachyceras dunni Smith 1914
†Eoprotrachyceras gibsoni Tozer 1994
†Eoprotrachyceras gredleri Mojsisovics 1882
†Eoprotrachyceras lahontanum Smith 1914
†Eoprotrachyceras matutinum Tozer 1980
†Eoprotrachyceras meeki Mojsisovics 1882
†Eoprotrachyceras subasperum Meek 1877