Abstract
Fusulinids from the Emarat Formation of the Central Alborz are studied to establish species belonging to such genera as Schubertella, Biwaella, Triticites, Tumefactus?, Pseudoschwagerina, Zellia, and Praepseudofusulina. The new species Pseudoschwagerina gadukensis is described. It is supposed that the origin of early Asselian and later Pseudoschwagerina and Zellia was polyphyletic, thus involving the problems of their taxonomy.
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