Cribrocorona echinus


Classification: Mesozoic -> Podorhabdales -> Axopodorhabdaceae -> Cribrocorona -> Cribrocorona echinus
Sister taxa: C. echinus, C. gallica, C. sp.,

Distinguishing features: One cycle regular the other appears to be a hemispherical mass of spines


Taxonomy:

Citation: Cribrocorona echinus (Bukry, 1975) Lees & Bown, 2005
Rank: Species
Basionym: Cylindralithus echinus Bukry, 1975
Synonyms:
Notes & discussion: The name echinus means hedgehog and references the appearance as  a mass of spines.

Farinacci & Howe catalog pages: Cylindralithus echinus * , Petrobrasiella bownii *

Distinguishing features: One cycle regular the other appears to be a hemispherical mass of spines

Search data:
TagsLITHS: placolith, circular, cylindrical, hollow, CA: closed, R-UNITS: R-prominent, DETAILS: ca_disjunct, rim-unicyclic,
MetricsLith size: 5->10µm;
Sources: original description & 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 Early Maastrichtian Substage (69.91-72.05Ma, top in Maastrichtian stage). Data source: Lees and Bown, 2005
First occurrence (base): within Early Maastrichtian Substage (69.91-72.05Ma, base in Maastrichtian stage). Data source: Lees and Bown, 2005

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: Cribrocorona echinus, synonyms included - Cribrocorona echinus; Cylindralithus echinus;
  • space-time plot :: Samples map :: Parent: Cribrocorona

    References:

    Bukry, D. (1975b). Coccolith and silicoflagellate stratigraphy, northwestern Pacific Ocean, Deep Sea Drilling Project Leg 32. Initial Reports of the Deep Sea Drilling Project. 32: 677-701. gs :: view :: open

    Burnett, J. A. (1997c). New species and new combinations of Cretaceous nannofossils and a note on the origin of Petrarhabdus (Deflandre) Wise & Wind. Journal of Nannoplankton Research. 19(2): 133-146. gs :: view :: open

    Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 132-199. gs :: ::

    Lees, J. A. & Bown, P. R. (2005). Upper Cretaceous calcareous nannofossil biostratigraphy, ODP Leg 198 (Shatsky Rise, Northwest Pacific Ocean). Proceedings of the Ocean Drilling Program, Scientific Results. 198: 1-60. gs :: view :: open

    Lees, J. A. (2007). New and rarely reported calcareous nannofossils from the Late Cretaceous of coastal Tanzania: outcrop samples and Tanzania Drilling Project Sites 5, 9 and 15. Journal of Nannoplankton Research. 29(1): 39-65. gs :: view :: open

    Perez-Rodriguez, I., Lees, J. A., Larasoaña, J. C., Arz, J. A. & Arenillas, I. (2012). Planktonic foraminiferal and calcareous nannofossil biostratigraphy and magnetostratigraphy of the uppermost Campanian and Maastrichtian at Zumaia, northern Spain. Cretaceous Research. 37: 100-126. gs :: ::


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    Cribrocorona echinus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 4-6-2020

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10306 Go to Archive.is to create a permanent copy of this page - citation notes



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