Acta Palaeontologica Polonica

Mikrosporangia i ziarna pyłku Paracalathiops stachei Remy, 1953 z wiercenia Chełm I

Jadwiga Karczewska

Acta Palaeontologica Polonica 14 (2), 1969: 343-349

Opisano sporangia i ziarna pyłku Paracalathiops stachei Remy, znalezione w namurze A, wiercenia Chełm I. Gatunek ten był znany dotychczas jedynie z Dolnego Śląska i Szkocji.

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