Polyzygia Gurich, an ostracod genus from the Givetian of The Holy Cross Mountains
Acta Palaeontologica Polonica 01 (1), 1956: 35-48
On evidence of abundant specimens of the ostracod species: Polyzygia symmetrica Gür. and P. trigonata Gür. from the Givetian of the Holy Cross Mts. certain stages of their ontogeny have been studied and their synonymies revised.
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