Abstract
Abstract A well-preserved assemblage of acritarchs (about 29 species, 3 new, listed here but described in another paper, Cramer 1968), plant spores, and chitinozoans, from the Lower Silurian Red Mountain Formation south of Birmingham, characterized by Veryhachium? carminae, contains many acritarchs in common with the Neagha and MaplewoodFormations, New York; these are remarkably different from Silurian assemblages in Ohio, Indiana, Illinois, and the Rochester Formation in New York and Ontario, all characterized by Deunffia furcata. Cramer plots the regional distribution of these assemblages and correlatives in Europe and Africa, and shows them to be roughly parallel to Silurian magnetic paleolatitudes (with the continents in different relative position), and to constitute 'palynological' provinces related to paleoclimatic zonation.
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