Lithastrinus grillii


Classification: Mesozoic -> Braarudosphaerales -> Polycyclolithaceae -> Lithastrinus -> Lithastrinus grillii
Sister taxa: L. quadricuspis, L. pentabrachius, L. grillii, L. septenarius, L. sp.,

Distinguishing features: Lithastrinus with six twisting petaloid wall-elements surrounding a narrow central area.


Taxonomy:

Citation: Lithastrinus grillii Stradner, 1962
Rank: Species
Synonyms: Astrionis segmentis Wilcoxon 1972

Farinacci & Howe catalog pages: Astrionis segmentis * , Lithastrinus grilli * ,

Distinguishing features: Lithastrinus with six twisting petaloid wall-elements surrounding a narrow central area.

Geological Range:
Last occurrence (top): within UC15d subzone (75.93-76.82Ma, top in Campanian stage). Data source: Burnett 1998
First occurrence (base): at base of UC11 zone (0% up, 86.5Ma, in Coniacian stage). Data source: Burnett 1998 (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: Lithastrinus grillii, synonyms included - Lithastrinus grillii; space-time plot :: Samples map :: Parent: Lithastrinus

    References:

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

    Stradner, H. (1962). Über neue und wenig bekannte Nannofossilien aus Kreide und Alttertiär. Sonderabdruck aus den Verhandlungen der Geologischen Bundesanstalt. 2: 363-377. gs

    Wilcoxon, J. A. (1972). Upper Jurassic-Lower Cretaceous calcareous nannoplankton from the Western North Atlantic Basin. Initial Reports of the Deep Sea Drilling Project. 11: 427-457. gs


    nannotaxlogo400px

    Lithastrinus grillii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-7-2019

    Taxon Search:
    Advanced Search

    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10570 Go to Archive.is to create a permanent copy of this page - citation notes



    Comments (0)

    No comments yet. Be the first!

    Add Comment

    * Required information
    1000
    Captcha Image
    Powered by Commentics