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The validity of  Wiedeyoceras clarum  was not clarified in the original description of this species.  Wiedeyoceras clarum  differs from other representatives of the genus in the width of the umbilicus, the form and width of the adventive and external lobes.  Wiedeyoceras clarum  has a wider stratigraphic distribution than presumed and is present not only in the lower and middle parts of the Kamenskaya Formation of the Donets Basin but also in the upper part of this formation.

The early Moscovian ammonoid species Wiedeyoceras clarum Popov, 1979 in the Donets Basin, Ukraine