arrayname: original
Taxonomy:
Distinguishing features:
Parent taxon (Pontosphaera): Coccoliths are muroliths, central area with variable number of perforations. V-units form narrow imbricate outer wall, R-units form inner wall and central-area.
This taxon: Pores elongate and in pairs
Farinacci & Howe catalog pages: P. geminipora *
Search data:
LITHS: murolith, elliptical, CA: ca_conjunct, pores, CROSS-POLARS: V-prominent, R-prominent, rim-bicyclic, |
Lith size: 8->11µm; Data source notes: lith size from OD and slightly extended |
Geological Range:
Last occurrence (top): within NN5 zone (13.53-14.91Ma, top in Serravallian stage). Data source: Bartol 2010
First occurrence (base): within NN5 zone (13.53-14.91Ma, base in Langhian stage). Data source: Bartol 2010
Plot of occurrence data:
Bartol, M. (2010). Pontosphaera geminipora n. sp. and Pontosphaera desuetoidea n. sp., new calcareous nannoplankton species from the Middle Miocene of the Mura Depression (Slovenia, Central Paratethys). Micropaleontology. 56(6): 509-515. gsReferences:
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Pontosphaera geminipora compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-3-2025
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1075 Go to Archive.is to create a permanent copy of this page - citation notes |
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