References:
Stradner, H. & Edwards, A. R. (1968). Electron microscopic studies on Upper Eocene coccoliths from the Oamaru Diatomite, New Zealand. Jahrbuch der Geologischen Bundesanstalt. 13(66): 1-48. gs 
Taxonomy:
Distinguishing features:
Parent taxon (B. morionum group): Spine low, globular, height<2x width
This taxon: Spine very low, base circular
Farinacci & Howe catalog pages: B. hayi *
Search data:
| Lith size: 0->0µm; |
Geological Range:
Last occurrence (top): within Late Eocene Sub-Epoch (33.89-37.75Ma, top in Priabonian stage). Data source:
First occurrence (base): within Late Eocene Sub-Epoch (33.89-37.75Ma, base in Priabonian stage). Data source:
Plot of occurrence data:
Stradner, H. & Edwards, A. R. (1968). Electron microscopic studies on Upper Eocene coccoliths from the Oamaru Diatomite, New Zealand. Jahrbuch der Geologischen Bundesanstalt. 13(66): 1-48. gs References:
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Blackites hayi compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 26-1-2025
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1723 Go to Archive.is to create a permanent copy of this page - citation notes |
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