Author:

Lachkar,G.

Year:

1968

Title:

New definitions of the megaspore genera Valvisisporites and Pseudovalvisisporites and their principal species.

Foreign title:

Nouvelles definitions des genres de megaspores Valvisporites et Pseudovalvisisporites et de leurs principales.

Reference:

Lachkar,G. (1968) New definitions of the megaspore genera Valvisisporites and Pseudovalvisisporites and their principal species. [ Nouvelles definitions des genres de megaspores Valvisporites et Pseudovalvisisporites et de leurs principales. ] Annales de la Soci©t© G©ologique du Nord Vol. 88 # 1 P. 7- 15

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