Classification of the family Belantseidae
Fm. †Belantseidae Lund 1989
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G. †Belantsea Lund 1989
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†Belantsea montana Lund 1989
†Belantsea occidentalis St. John and Worthen 1875
G. †Ctenoptychius Agassiz 1838
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†Ctenoptychius acuminatus Saint John and Worthen 1875
†Ctenoptychius apicalis Agassiz 1838
†Ctenoptychius cristatus Dawson 1868
†Ctenoptychius dentatus Owen 1840
†Ctenoptychius digitatus Leidy 1857
†Ctenoptychius lobatus Etheridge 1875
†Ctenoptychius pertenius Saint John and Worthen 1875
†Ctenoptychius serratus Owen 1840
†Ctenoptychius stevensoni St. John and Worthen 1875