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Echinoidea source details
Tzankov, V. 1930. Géologie du plateau de Šumen et ses environs immédiats. Zeitschrift der bulgarischen geologischen Gesellschaft 2, 1-77.
169550
Publication
from Kier & Lawson (1978)
Date action by
Hemipneustes striatoradiatus giganteus Tzankov, 1930 † (original description)
Hemipneustes striatoradiatus var. giganteus Tzankov, 1930 † accepted as Hemipneustes striatoradiatus giganteus Tzankov, 1930 † (original description) |