Pontosphaera latoculata


Classification: ntax_cenozoic -> Zygodiscales -> Pontosphaeraceae -> Pontosphaera -> Pontosphaera latoculata
Sister taxa: P. multipora, P. discopora, P. distincta, 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> >>

Taxonomy:

Citation: Pontosphaera latoculata (Bukry & Percival 1971) Perch-Nielsen 1984
Rank: Species
Synonyms:

Distinguishing features: Large Pontosphaera with elevated rim, and single large central opening

Farinacci & Howe catalog pages: D. aperta * , D. latoculata * , D. latielliptica [no catalog entry yet]

Search data:
TagsLITHS: murolith, elliptical, CA: ca_conjunct, CROSS-POLARS: rim-unicyclic, V-prominent, R-prominent,
MetricsLith 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 Early Oligocene Sub-Epoch (28.09-33.89Ma, top in Rupelian stage). Data source: Bukry & Percival 1971
First occurrence (base): within Early Eocene Sub-Epoch (47.84-55.96Ma, base in Ypresian stage). Data source: Perch-Nielsen 1971

Plot of occurrence data:

References:

Aubry, M-P. (1986a). Palaeogene calcareous nannofossil biostratigraphy of northwestern Europe. Palaeogeography Palaeoclimatology Palaeoecology. 55: 267-334. gs

Baldi-Beke, M. & Baldi, T. (1974a). Nannoplankton and macrofauna of the type section at Novaj (Kiscellian- Egerian). Ann. Univ. Sci. Budap. de Rolando Eotvos Nom., Sect. Geol. 17: 59-103. gs

Bown, P. R. & Newsam, C. (2017). Calcareous nannofossils from the Eocene North Atlantic Ocean (IODP Expedition 342 Sites U1403–1411). Journal of Nannoplankton Research. 37(1): 25-60. gs V O

Bukry, D. & Percival, S. F. (1971). New Tertiary calcareous nannofossils. Tulane Studies in Geology and Paleontology. 8: 123-146. gs V O

Jones, A. P. & Dunkley Jones, T. (2020). Middle Eocene to Early Oligocene calcareous nannofossils from the Nanggulan Formation, Java, Indonesia. Journal of Nannoplankton Research. 30(1): 57-79. 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

Perch-Nielsen, K. (1984b). Validation of new combinations. INA Newsletter. 6(1): 42-46. gs V O

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Pontosphaera latoculata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-4-2021

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