Amaurolithus primus


Classification: Coccolithophores -> Nannolith families inc sed -> Ceratolithaceae -> Amaurolithus -> Amaurolithus primus
Sister taxa: A. brevigracilis, A. delicatus, A. primus, A. tricorniculatus, A. sp.,

Distinguishing features: Simple form with short arms, broad arch and weakly developed keels.


Taxonomy:

Citation: Amaurolithus primus (Bukry and Percival, 1971) Gartner and Bukry, 1975
Rank: Species
Basionym: Ceratolithus primus Bukry and Percival, 1971

Farinacci & Howe catalog pages: Ceratolithus primus *

Distinguishing features: Simple form with short arms, broad arch and weakly developed keels.

Search data:
TagsLITHS: nannolith-other, horseshoe-shaped,
CSPH: not known, V-UNITS: all, DETAILS: 1ou,
MetricsLith size: 7->12µm; Segments: 1->1;
Sources: lith width from illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NN12 zone (5.12-5.59Ma, top in Zanclean stage). Data source: Young 1998
First occurrence (base): at base of NN11b subzone (0% up, 7.4Ma, in Tortonian stage). Data source: sub-zonal marker

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: Amaurolithus primus, synonyms included - Amaurolithus primus; Ceratolithus primus; space-time plot :: Samples map :: Parent: Amaurolithus

    References:

    Bukry, D. & Percival, S.F. (1971). New Tertiary calcareous nannofossils. Tulane Studies in Geology and Paleontology, 8: 123-146. GS

    Gartner, S. & Bukry, D. (1975). Morphology and phylogeny of the coccolithophycean family Ceratolithaceae. Journal of Research of the United States Geological Survey., 3: 451-465. GS

    Young, J.R., (1998). Neogene. In: Bown, P.R. (Editor), Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publications Series. Chapman & Hall, London, pp. 225-265. GS


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    Amaurolithus primus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 21-5-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=42 Go to Archive.is to create a permanent copy of this page - citation notes



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