Some problems of taxonomy of the pteraspids (aqnatha, heterostraci) from Podolia (Ukraine)
Consideration kind Podolaspis Zych of three types: podolica Alth, lerichei and zychi. The first description and nomenclature discrepancy delivery Parapteraspis and Mylopteraspis Stensio. Species variability pteraspid - morphology orbitsphere pineal belt.
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The present article is part of a complex experimental study which comprises bioecological research studies of Hypericum L. in flora of Azerbaijan. The Republic of Azerbaijan with a rich biodiversity occupies a special place in the Caucasus region.
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