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Valvulineria
petrolei
Class:
Rotaliata
Subclass:
Rotaliana
Order:
Rotaliida
Family:
Cancrisidae
found in the
Mainz Basin
Eckelsheim
Upper Rhine Plain Germany
Geological Time: Paleogene Oligocene Rupelian
Alzey Formation
the material is collected and the images are made by
Michael Hesemann
The identification is based upon:
Batjes, Derk Anders Johan, 1958: