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Fossil collection records
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Classification of the family Columbicrinidae
Fm. †
Columbicrinidae
Ausich 1998
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G. †
Columbicrinus
Ulrich 1924
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†
Columbicrinus crassus
Ulrich 1925
G. †
Geraocrinus
Ulrich 1924
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†
Geraocrinus sculptus
Ulrich 1925
G. †
Praecursoricrinus
Frest et al. 1979
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Praecursoricrinus sulphurensis
Frest et al. 1979