Author:
Downie,C.
Year:
1973
Title:
Observations on the nature of the acritarchs
Reference:
Downie,C. (1973) Observations on the nature of the acritarchs Palaeontology Vol. 16 # 2 P. 239- 259
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Genus Species Country(Region) From To
Vulcanisphaera Vulcanisphaera Nd Late Cambrian Early Ordovician