Nannotax3 - ntax_cenozoic - Pontosphaera fimbriata

Pontosphaera fimbriata

Classification: ntax_cenozoic -> Zygodiscales -> Pontosphaeraceae -> Pontosphaera -> Pontosphaera fimbriata
Sister taxa: << < P. enormis, P. desuetoidea, P. geminipora, P. longiforaminis, P. megapachydisca, P. veta ⟩⟨ P. syracusana, P. alta, P. panarium, P. versa, P. wallacei, P. latoculata, P. sp.A ⟩⟨ P. formosa, P. wechesensis, P. fimbriata, P. brinkhuisii, P. hollisii, P. romansii ⟩⟨ P. japonica, P. plana, P. rimosa ⟩⟨ P. pectinata, P. wilsonii, P. punctosa, P. clinosulcata, P. perforomarginata, P. pulcheroides, P. pulchra, P. pygmaea ⟩⟨ P. ocellata> >>

PN71 KDansk pl27-01.JPG
PN71 KDansk pl29-01.JPG
Bown_2005_JNR_pl16-fig17.jpg
Bown_2005_JNR_pl16-fig18.jpg
BramlSull61pl03-01.JPG
Bybell 1975 pl22 01.JPG
Bybell 1975 pl22 03.JPG
PN71 KDansk pl29-02.JPG

Taxonomy:

Citation: Pontosphaera fimbriata (Bramlette & Sullivan, 1961) Romein, 1979

Rank: Species

Basionym: Discolithus fimbriatus Bramlette & Sullivan, 1961

Synonyms:

Kocyzia fimbriata (Bramlette & Sullivan, 1961) Perch-Nielsen, 1971

Taxonomic discussion: Like Pontosphaera formosa but with a plate with two holes.

Distinguishing features: Similar to P. formosa but with two large holes in plate separated by a transverse bar.

Farinacci & Howe catalog pages: D. fimbriatus *

Search data:

Tags	LITHS: murolith, elliptical, CA: ca_conjunct, pores, bar, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
Metrics	Lith size: 10->16µm; Data source notes: lith size from OD & illustrated specimens

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

Geological Range:
Last occurrence (top): within NP15 zone (42.87-46.29Ma, top in Lutetian stage). Data source: [PRB rough estimate]
First occurrence (base): within NP15 zone (42.87-46.29Ma, base in Lutetian stage). Data source: [PRB rough estimate]

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: Pontosphaera fimbriata, synonyms included - Discolithina fimbriata; Discolithus fimbriatus; Koczyia fimbriata; Pontosphaera fimbriata; Syracosphaera fimbriata; Transversopontis fimbriatus;
See also space-time plot :: Samples map :: Parent: Pontosphaera

References:

Bown, P. R. (2005d). Palaeogene calcareous nannofossils from the Kilwa and Lindi areas of coastal Tanzania (Tanzania Drilling Project 2003-4). Journal of Nannoplankton Research. 27(1): 21-95. gs V O

Bramlette, M. N. & Sullivan, F. R. (1961). Coccolithophorids and related nannoplankton of the Early Tertiary in California. Micropaleontology. 7(2): 129-188. gs

Bybell, L. (1975). Middle Eocene calcareous nannofossils at Little Stave Creek, Alabama. Tulane Studies in Geology and Paleontology. 11(4): 177-247. gs V O

Perch-Nielsen, K. (1971c). Elektronenmikroskopische untersuchungen an Coccolithen und verwandten Formen aus dem Eozan von Danemark. Biologiske Skrifter, Kongelige Danske Videnskabernes Selskab. 18(3): 1-76. gs

Romein, A. J. T. (1979). Lineages in Early Paleogene calcareous nannoplankton. Utrecht Micropaleontological Bulletin. 22: 1-231. gs V O

Pontosphaera fimbriata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 23-1-2021

Taxon Search:

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1073 Go to Archive.is to create a permanent copy of this page - citation notes

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