Daughter taxa (time control age-window is: 0-800Ma) | ||||
Goniolithus fluckigeri Medium-sized pentagonal liths, with narrow rim and granular central area plate. Dark image in LM. | ||||
Goniolithus sp. Specimens which cannot be assigned to any established species |
Taxonomy:
Distinguishing features:
Parent taxon (Nannolith genera inc sed): Three apparently unique genera, not-included in described families
This taxon: Small to medium pentagonal liths, with narrow rim and granular central area plate. Dark image in LM.
Farinacci & Howe catalog pages: Goniolithus *
Search data:
LITHS: nannolith-other, pentagonal, CA: closed, CSPH: equant, monomorphic, CROSS-POLARS: V-prominent, |
Lith size: 5->7µm; Segments: 5->5; |
Geological Range:
Last occurrence (top): at top of Oligocene Epoch (100% up, 23Ma, in Aquitanian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Coniacian Stage (85.70-89.39Ma, base in Coniacian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Deflandre, G. (1957). Goniolithus nov. gen., type d'une famille nouvelle de Coccolithophoridés, à éléments pentagonaux non composites. Comptes rendus hebdomaire de l'Académie des sciences, Paris. 244: 2539-2541. gs References:
Goniolithus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 14-10-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=632 Go to Archive.is to create a permanent copy of this page - citation notes |
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