Distinguishing features: Crepidolithus with moderately broad rim; central area with axial cross
Taxonomy:
Farinacci & Howe catalog pages: C. crucifer *
Distinguishing features: Crepidolithus with moderately broad rim; central area with axial cross
Search data:Tags | LITHS: |
Metrics | Lith size: 0->0µm; |
Geological Range:
Last occurrence (top): within Early Pliensbachian Substage (187.56-190.82Ma, top in Pliensbachian stage). Data source: Prins 1969
First occurrence (base): within Sinemurian Stage (190.82-199.30Ma, base in Sinemurian stage). Data source: Prins 1969
Plot of occurrence data:
Prins, B. (1969). Evolution and stratigraphy of cocolithinids from the Lower and Middle Lias. In, Bronnimann, P. & Renz, H. H. (eds) Proceedings of the First International Conference on Planktonic Microfossils, Geneva 1967. E. J. Brill, Leiden 547-558. gs Rood, A. P., Hay, W. W. & Barnard, T. (1973). Electron microscope studies of Lower and Middle Jurassic coccoliths. Eclogae Geologicae Helvetiae. 66: 365-382. gs V OReferences:
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Crepidolithus crucifer compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 5-3-2021
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