| Daughter taxa (time control age-window is: 0-800Ma) | ||||
| Acrum cylindriferum | ||||
| Acrum sp. | ||||
Taxonomy:
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: <% graph_caption %>
Fombella, M. A. (1977). Acritarcos de edad Cambrico medio-inferior de la provincia de Leon, Espana. Translated Title: Middle-Lower Cambrian acritarchs of Leon, Spain. Revista Española de Micropaleontología. 9(1): 115-124. gsReferences:
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