Author:

Lindgren,S.

Year:

1980

Title:

Algal microfossils of the form genus Tetraporina from Upper Cretaceous Clays, southern Sweden.

Reference:

Lindgren,S. (1980) Algal microfossils of the form genus Tetraporina from Upper Cretaceous Clays, southern Sweden. Review of Palaeobotany and Palynology Vol. 30 P. 333- 359

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