Abstract

The taxonomy and test morphology of Schackoina cenomana, S. cenomana gandolfi, and S. multispinata bicornis are reviewed on the basis of abundant material from Cenomanian (Cretaceous) localities of the eastern Carpathians in Romania. The particular features of the forms described are geographically restricted to Schackoina sp. of the Alpine-Carpathian geosyncline.

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