Lapideacassis multispinata


Classification: Coccolithophores -> Nannolith families inc sed -> Lapideacassaceae -> Lapideacassis -> Lapideacassis multispinata
Sister taxa: L. glans, L. mariae, L. asymmetrica, L. blackii, L. magnifica, L. bispinosa, L. wisei, L. trispina, L. multispinata, L. sp.,

Taxonomy:

Citation: Lapideacassis multispinata Perch-Nielsen, in Perch-Nielsen & Franz, 1977
Rank: Species

Distinguishing features: >3 spines; tiered; proximal collar

Farinacci & Howe catalog pages: Lapideacassis multispinata *


Morphology remarks: Nannolith with a proximal tier, a proximal collar, two distal tiers, an apical cone and more than three apical spines.

Search data:
TagsLITHS: nannolith-radiate, circular, cylindrical, hollow, RIM: tiered, CA: process, PROCESS: hollow, monocrystalline, spines,
CSPH: not known, V-UNITS: none, R-UNITS: all, R-prominent, DETAILS: c-axes flaring,
MetricsLith size: 10->14µm; Segments: 9->13;
Sources: length (excluding spines) from illustrated specimens; elem numbers from count on SEM image and extend range by +-2
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP5 zone (59.54-61.51Ma, top in Selandian stage). Data source: Perch-Nielsen & Franz 1977
First occurrence (base): within NP3 zone (63.25-64.81Ma, base in Danian stage). Data source: Perch-Nielsen & Franz 1977

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: Lapideacassis multispinata, synonyms included - Lapideacassis multispinata;
  • space-time plot :: Samples map :: Parent: Lapideacassis

    References:

    Perch-Nielsen, K. & Franz, H. E. (1977). Lapideacassis and Scampanella, calcareous nannofossils from the Paleocene at sites 354 and 356, DSDP Leg 39, Southern Atlantic. Initial Reports of the Deep Sea Drilling Project. 39: 849-862. gs


    nannotaxlogo400px

    Lapideacassis multispinata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-2-2020

    Taxon Search:
    Advanced Search

    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=805 Go to Archive.is to create a permanent copy of this page - citation notes



    Comments (0)

    No comments yet on this page. Please do add comments if you spot any problems, or have information to share

    Add Comment

    * Required information
    1000
    Captcha Image
    Powered by Commentics