Taxonomy:
Distinguishing features: Medium sized Micrantholithus with deeply indented sides and elevated central star
Farinacci & Howe catalog pages: M. entaster * , M. fornicatus *
Search data:Tags | LITHS: nannolith-radiate, pentagonal, star-shaped, CA: process, CROSS-POLARS: T-prominent, |
Metrics | Lith size: 9->20µm; Segments: 5->5; Liths per sphere: 12->12 Data source notes: lith size (diameter) from OD; lith numbers assumed from geometry |
Geological Range:
Last occurrence (top): within Paleocene Epoch (55.96-66.04Ma, top in Thanetian stage). Data source: Bramlette & Sullivan 1961
First occurrence (base): within Paleocene Epoch (55.96-66.04Ma, base in Danian stage). Data source: Bramlette & Sullivan 1961
Plot of occurrence data:
Bramlette, M. N. & Sullivan, F. R. (1961). Coccolithophorids and related nannoplankton of the Early Tertiary in California. Micropaleontology. 7(2): 129-188. gsReferences:
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Micrantholithus entaster compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 23-4-2021
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