Author:

Batten,D.J.;Morrison,L.

Year:

1987

Title:

Morphology and occurrence of the Normapolles pollen genus Papillopollis, in Cretaceous of Portugal

Reference:

Batten,D.J. et al. (1987) Morphology and occurrence of the Normapolles pollen genus Papillopollis, in Cretaceous of Portugal Palynology Vol. 11 P. 133- 154

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