Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
![]() | ![]() | ![]() | ![]() | Aubrysphaera deconinckii |
Taxonomy:
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; |
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. gsReferences:
![]() |
Aubrysphaera compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 30-11-2023
Short stables page link: https://mikrotax.org/Nannotax3/index.php?id=1700 Go to Archive.is to create a permanent copy of this page - citation notes |
This policy contains information about your privacy. By posting, you are declaring that you understand this policy:
This policy is subject to change at any time and without notice.
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
Comments