Crepidolithus crucifer


Ancestry: Mesozoic -> Eiffellithales -> Chiastozygaceae -> Crepidolithus -> Crepidolithus crucifer
Sister taxa: C. crassus, C. granulatus, C. ocellatus, C. parvulus, C. perforatus, C. pliensbachensis, C. timorensis, C. cantabriensis, C. crucifer, C. impontus, C. sp.,

Short diagnosis: Crepidolithus with moderately broad rim; central area with axial cross


Taxonomy:

Citation: Crepidolithus crucifer Prins 1969 ex Rood et al., 1973
Rank: Species
Synonyms: Crepidolithus crucifer Prins 1969 (nomen nudum)

Farinacci & Howe catalog pages: Crepidolithus crucifer *

Short diagnosis: Crepidolithus with moderately broad rim; central area with axial cross

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:

References:

Prins, B., (1969). Evolution and stratigraphy of cocolithinids from the Lower and Middle Lias. In: Bronnimann, P. and Renz, H.H. (Editors), Proceedings of the First International Conference on Planktonic Microfossils. E. J. Brill, Leiden, Geneva, pp. 547-558.

Rood, A.P.; Hay, W.W. & Barnard, T., (1973). Electron microscope studies of Lower and Middle Jurassic coccoliths. Eclogae Geologicae Helvetiae, 66: 365-382.


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Crepidolithus crucifer compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-8-2017

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Comments (2)

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Jeremy Young (UK)

thanks Kevin- it is corrected now

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Maurice Kevin Cooper

Hi Jeremy

Should not the range of this species stop in the Early Pliensbachian and not says tops in the Holocene

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