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Class:
Miliolata
Subclass:
Miliolana
Order:
Miliolida
Family:
Cornuspiridae
Rectocornuspira
Warthin, 1930
Rectocornuspira holdenvillana
Warthin, 1930
type specimen holotype
Carboniferous
American South
Rectocornuspira lituiformis
Warthin, 1930
type specimen holotype
Carboniferous
American South
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