Sphenolithus paratintinnabulum


Classification: ntax_cenozoic -> Discoasterales -> Sphenolithaceae -> Sphenolithus -> S. dissimilis group -> Sphenolithus paratintinnabulum
Sister taxa: S. disbelemnos, S. dissimilis, S. procerus, S. tintinnabulum, S. paratintinnabulum, S. truaxii

Taxonomy:

Citation: Sphenolithus paratintinnabulum Bergen & de Kaenel, in Bergen et al. 2017
Rank: species
Synonyms:

Distinguishing features: Cylindroconical with short spine and low base (like S. tintinnabulum but less triangular)

Farinacci & Howe catalog pages: S. compactus * , S. paratintinnabulum *

Search data:
TagsLITHS: nannolith-radiate, circular, cylindrical, CROSS-POLARS: R-prominent,
MetricsLith 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): within NN3 zone (17.95-19.00Ma, top in Burdigalian stage). Data source: Bergen et al 2017
First occurrence (base): in upper part of NP26 zone (80% up, 23.4Ma, in Chattian stage). Data source: Bergen et al 2017

Plot of occurrence data:

References:

Backman, J. (1980). Miocene-Pliocene nannofossils and sedimentation rates in the Hatton-Rockall Basin, NE Atlantic Ocean. Stockholm Contributions in Geology. 36: 1-91. gs

Bergen, J. A., de Kaenel, E., Blair, S. A., Boesiger, T. M. & Browning, E. (2017). Oligocene-Pliocene taxonomy and stratigraphy of the genus Sphenolithus in the circum North Atlantic Basin: Gulf of Mexico and ODP Leg 154. Journal of Nannoplankton Research. 37(2-3): 77-112. gs V O


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Sphenolithus paratintinnabulum compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 15-4-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1610 Go to Archive.is to create a permanent copy of this page - citation notes



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