الفهرس 
I NTRODUCTI ONOnly 14 pages are availabe for public view
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Abstract
The study of the biostratigraphy miospora of which are carried out on subsurface devonian and carboniferous sediments of Kohla well No. 2 and El - Basur well No. 1 Siwa - El Basur area, Western Desert Egypt has led to the following conclusions : *The recognition of one Anteturma (sporites), Three turma [Trilets, Monoletes and Alete]. Three subturma [ Zonotriletes, Azonotriletes and Zonomonoletes] and ten infraturma [Leavigati, Apiculati, Zonati, Muronati, Cingulati, patinati, Tricrassati, Decorati, Continuati and incertae] belongs to fourty eight genus and ninty eight species. Potonie and Kremp. Potonie and Kremp classification of artificial nomenclature are used because the nature classification of paleozoinc spores unsitable because the present are not known. * One Genus of Chitinozoa was described.