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Genus Disphyllum de Fromentel (Rugosa) in the Devonian of Poland and its distribution

100%

Rozkowska M., Fedorowski J.

Acta Palaeontologica Polonica

1972

tom 17

nr 3

11 species and subspecies of the genus Disphyllum de Fromentel are described from the Devonian of Poland, two of them, D. wirbelauense bonae and D. w. reaulare, are new. The geological structure of the Disphyllum-bearing localities from the Holy Cross Mts and Sudetes is discussed. The profiles of deep boreholes from Silesian-Cracow anticlinorium and Pomerania are presented. The coral's blastogeny and intraspecific variability are characterized. The septal index and pattern of internal structure are regarded as taxonomical criteria for specific identifications. It was noted that the microstructure is characterized by coarse monacanths distributed horizontally or in the form of half fans. Distribution of Disphyllum in Poland and in the world, the moment of its appearance and its biostratigraphical value are discussed.

Ograniczanie wyników

1 Acta Palaeontologica Polonica

1 Fedorowski J.

1 Rozkowska M.

1 1972

Wyniki wyszukiwania

Genus Disphyllum de Fromentel (Rugosa) in the Devonian of Poland and its distribution