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Some morphological variations in Siphonodendron and Diphyphyllum as a response to ecological stimuli

100%

Poty E.

Acta Palaeontologica Polonica

1980

tom 25

nr 3-4

In some species of the fasciculate rugosan, Siphonodendron, the morphology of the fossula, columella and connecting processes is controlled by ecological conditions. A colony in a turbulent environment would have numerous connecting processes, a strong columella and a well-marked fossula, with a preferential orientation of the corallites if the water movement was in the form of a persistent current. In a quiet environment, the connecting processes are generally absent, the cardinal fossula is indistinct and the columella is weak or absent. In some species of Diphyphyllum, the morphology of the fossula and the disposition of the corallites are also controlled by ecological conditions.

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1 Acta Palaeontologica Polonica

1 Poty E.

1 1980

Wyniki wyszukiwania

Some morphological variations in Siphonodendron and Diphyphyllum as a response to ecological stimuli