Geological Range: Last occurrence (top): within Late Paleocene Sub-Epoch (55.96-59.24Ma, top in Thanetian stage). Data source: First occurrence (base): within Late Paleocene Sub-Epoch (55.96-59.24Ma, base in Thanetian stage). Data source:
Plot of occurrence data:
Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested.
Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
Taxon plotted: Stylosphaera macrosphaera, synonyms included - Stylosphaera macrosphaera;