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Heterohelix and Loeblic****a. Cenomanian:
Globigerinelloides caseyi,
Guembelitria harrisi,
Hedbergella amabilis,
Hedbergella brittonensis, Hedbergella...
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reported that the only
foraminiferan species to
survive the
Cretaceous was
Guembelitria cretacea, and that all
subsequent foraminiferans were its descendants...
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Siphogenerinoides cretacea, S. bramlettei,
Abathomphalus mayorensis,
Guembelitria cretacea,
Globorotruncanita conica,
Gansserina gansseri, Racemiguembelina...
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Grillina Grillita Grimsdaleinella Gsollbergella Gubkinella Gublerina Guembelitria Guembelitriella Guembelitrioides Gunteria Guppyella Gutnicella Guttulina...
- 1957 †Guembelitriidae Montanaro-Gallitelli 1957. C****igerinelloita,
Guembelitria, Chiloguembelitria, Jenkinsina, ?Archaeoguembelitria, ?Gallitellia, ...
-
Siphogenerinoides cretacea, S. bramlettei,
Abathomphalus mayorensis,
Guembelitria cretacea,
Globorotruncanita conica,
Gansserina gansseri, Racemiguembelina...
