Geological Range: Last occurrence (top): at top of (100% up, 0Ma, in "Holocene" stage). Data source: Total of ranges of the species in this database First occurrence (base): within (-Ma, base in "Holocene" stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
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References:
Loeblich, A. R. , Jr. & Drugg, W. S. (1968). New acritarchs from the Early Devonian (Late Gedinnian) Haragan Formation of Oklahoma, U.S.A. Tulane Studies in Geology. 6(4): 129-137. gs
Acritax - Acritax_Camb - Fimbriaglomerellaby: Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 15-10-2024