Marginal bryozoan Calvina from the Paleocene of Poland
Janina Szczechura
Acta Palaeontologica Polonica 35 (1-2), 1990: 41-48
Calvina kalloensis Willems and Bicornifera sp. are described from the Paleocene of Poland. History of studies of Calvina kalloensis is presented and its synonymy with Tricornicella tupilaqi Hakansson et Jürgensen, 1987, is proved.
Key words: Taxonomy, morphology, Bryozoa (Calvina. Bicornifera), Paleocene, Poland.
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