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Aptea securigera
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General Images Stratigraphy Description Literature Notes
Year Author Title
Fossil Ceratiaceae: A restudy and new taxa from the mid-Cretaceous of the Western Interior, U.S.A.
Additional microplankton from Australian Cretaceous sediments
Non-calcareous microplankton from the Cenomanian of England, northern France and North America, Part 1
Dinoflagellate cysts from the Aptian type sections at Gargas and la Bedoule, France
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