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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