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Fossil
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Class:
Rotaliata
Subclass:
Rotaliana
Order:
Rotaliida
Family:
Chilostomellidae
Allomorphinella
Cushman, 1927
Allomorphinella contraria
(Reuss, 1851)
type specimen holotype
Cretaceous
Allomorphinella trigona
(Reuss, 1850)
type specimen holotype
Paleogene
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