Taxonomy:
Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in stage). Data source:
Plot of occurrence data: Parent: Timofeevia
Cramer, F. H. & Diez, M. d. C. R. (1972). Subsurface Section from Portuguese Guinea Dated by Palynomorphs as Middle Silurian. The American Association of Petroleum Geologists Bulletin. 56(11, Part 1): 2271-2272. gs Cramer, F. H. & Diez, M. d. C. R. (1979). Lower Paleozoic acritarchs. Palinologia. 1: 17-160. gsReferences:
Acritax - Acritax_Camb - Timofeevia raquelinae by: Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 6-12-2019
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