Classification of the family Narthecoceratidae
Fm. †Narthecoceratidae Flower 1958
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G. †Donacoceras Foerste 1925
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†Donacoceras arundineum Foerste 1925
†Donacoceras bellense Foerste 1925
†Donacoceras percense Foerste 1936
†Donacoceras timiskamingense Foerste 1925
G. †Farroceras