none
Geological Time: Devonian Middle Devonian
holotype
View of a specimen of Cassidulina devonica Chapman, 1921
The identification is based upon:
, : Chapman, F. (1921). On Ostracoda, Foraminifera, and some organisms related to Calcisphaerae from the Devonian of Germany. Journal of the Royal Microscopical Society. 1921: 329-340. Plate , Fig.
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