Sphenolithus intercalaris


Classification: Coccolithophores -> Discoasterales -> Sphenolithaceae -> Sphenolithus -> S. predistentus group -> Sphenolithus intercalaris
Sister taxa: S. ciperoensis, S. distentus, S. predistentus, S. patifunditus, S. bulbulus, S. tawfikii, S. celsus, S. peartiae, S. akropodus, S. tribulosus, S. directus, S. avis, S. umbrellus, S. triangularis, S. intercalaris, S. obtusus,

Taxonomy:

Citation: Sphenolithus intercalaris Martini, 1976
Rank: Species

Distinguishing features: Small, only the spine is present, most likely due to preservation but probably also reflecting the small size and fragility of the base.

Farinacci & Howe catalog pages: Sphenolithus intercalaris *

Search data:
TagsLITHS: nannolith-radiate, N: 3D-radiate, conical, circular, RIM: tiered, PROCESS: bifurcate, duocrystalline, length-fast, spine,
CSPH: not known, V-UNITS: spine, R-UNITS: lower-tier, DETAILS: isogyres radial,
MetricsLith size: 4->6µm;
Sources: lith height from OD
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP18 zone (36.97-37.32Ma, top in Priabonian stage). Data source: Martini 1976
First occurrence (base): within NP17 zone (37.32-40.40Ma, base in Bartonian stage). Data source: Martini 1976

Plot of occurrence data:

  • Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
  • Note to users in China - the diagram may not plot unless you use a VPN since I use google services on the website. If this is a problem please contact me 谢谢.
  • Taxon plotted: Sphenolithus intercalaris, synonyms included - Sphenolithus intercalaris; space-time plot :: Samples map :: Parent: S. predistentus group

    References:

    Bown, P. R. & Dunkley Jones, T. (2012). Calcareous nannofossils from the Paleogene equatorial Pacific (IODP Expedition 320 Sites U1331-1334). Journal of Nannoplankton Research. 32(2): 3-51. gs

    Martini, E. (1976). Cretaceous to Recent calcareous nannoplankton from the Central Pacific Ocean (DSDP Leg 33). Initial Reports of the Deep Sea Drilling Project. 33: 383-423. gs


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    Sphenolithus intercalaris compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 16-9-2019

    Taxon Search:
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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1301 Go to Archive.is to create a permanent copy of this page - citation notes



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