Taxonomy:
Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage).
First occurrence (base): within (-Ma, base in "Holocene" stage).
Plot of occurrence data: <% graph_caption %>
Umnova, N. I. & Vanderflit, E. K. (1971). Acritarch assemblages from Cambrian and Lower Ordovician sediments of the west and northwest Russian Platform. Palynological Research in Byelorussia and other regions of the USSR. Science and Engineering Minsk. 45-73. gs Volkova, N. A. (1990). middle and upper Cambrian acritarchs in the East-European Platform. Doklady Akademii Nauk SSSR. 454: 1-116. gsReferences:
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