A REVISION OF THE GENUS PETRIELLA

Abstract
A reappraisal is made of the genus Petriella Curzi. The type species, Petriella asymmetrica, is found to be identical with a species previously described as Microascus sordidus Zukal. The latter species is transferred to Petriella as a new combination, and one new species, P. guttulata, is described. A synopsis of the genus, with five species, is presented. The additional three species are P. setifera, P. lindforsii, and P. boulangeri.

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