Nannotax3 - ntax_mesozoic - Crepidolithus crucifer

Crepidolithus crucifer

Classification: ntax_mesozoic -> hidden -> deleted -> Crepidolithus crucifer
Sister taxa: << < P. bownii, P. geometrica, P. triassica subsp. punctata, P. triassica subsp. triassica, P. charlotteii, P. fistulatus, S. pseudobiskayae, S. gephyrion, S. acutiferrus, S. laffittei, Thoracosphaera, T. wombatensis, Z. sisyphus, W. communis, L. primigenius, C. crucifer, T. senarius, Z. elegans, S. cotortuosus, N. funiculus group, L. imprimus, S. humilis

Distinguishing features: 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: C. crucifer *

Distinguishing features: Crepidolithus with moderately broad rim; central area with axial cross

Search data:

Tags	LITHS:
Metrics	Lith size: 0->0µm;

The morphological data given here can be used on the advanced search page. See also these notes

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:

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
(NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: deleted

References:

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 O