Nannotax3 - ntax_cenozoic - Aubrysphaera Nannotax3 - ntax_cenozoic - Aubrysphaera


Classification: ntax_cenozoic -> Holococcoliths -> fossil holococcoliths -> Aubrysphaera
Sister taxa: Daktylethra, Holodiscolithus, Lanternithus, Multipartis, Octolithus, Quadrilateris, Semihololithus, Varolia, Youngilithus, Zygrhablithus ⟩⟨ Aubrysphaera, Corannulus, Orthozygus, Peritrachelina, Unidentified fossil holococcoliths

Daughter taxa (time control age-window is: 0-800Ma)
Aubrysphaera deconinckii


Citation: Aubrysphaera Steurbaut 1990
Rank: genus
Basionym: Aubrysphaera deconinckii Steurbaut 1990

Original description: This genus is introduced for dome-shaped, porous nannoliths, consisting of a hollow construction of bifurcating ribs, which in certain orientations show high birefringence in cross- polarised light.

Farinacci & Howe catalog pages: Aubrysphaera *

Search data:
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): at top of NP12 zone (100% up, 50.5Ma, in Ypresian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within NP12 zone (50.5-53.7Ma, base in Ypresian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:


Steurbaut, E. (1990). Ypresian calcareous nannoplankton biostratigraphy and palaeogeography of the Belgian Basin. Bulletin de la Société Belge de Géologie. 97(1988): 251-285. gs


Aubrysphaera compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 30-11-2023

Taxon Search:
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Short stables page link: Go to to create a permanent copy of this page - citation notes

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