Lithoptychius billii


Classification: Coccolithophores -> Discoasterales -> Fasciculithaceae -> Lithoptychius -> Lithoptychius billii
Sister taxa: L. billii, L. janii, L. pileatus, L. ulii, L. varolii, L. vertebratoides, L. sp.,

Distinguishing features: Shaped like a cotton reel bobbin, i.e. cylindrical but broadening at each end. Topmost part formed of discrete cycles


Taxonomy:

Citation: Lithoptychius billii (Perch-Nielsen, 1971) Aubry in Aubry et al. 2011
Rank: Species
Basionym: Fasciculithus billii Perch-Nielsen, 1971

Farinacci & Howe catalog pages: Fasciculithus billii *

Distinguishing features: Shaped like a cotton reel bobbin, i.e. cylindrical but broadening at each end. Topmost part formed of discrete cycles

Search data:
TagsLITHS: nannolith-radiate, cylindrical, circular, RIM: tiered,
CSPH: not known, V-UNITS: upper-tier, R-UNITS: lower-tier, DETAILS: isogyres radial,
MetricsLith size: 4->8µm;
Sources: size (width) from illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Notes: base is near NP4/5 boundary according to Monechi et al. 2012
Last occurrence (top): in mid part of NP7 zone (50% up, 58.8Ma, in Thanetian stage). Data source: Varol, 1989, fig. 12.4
First occurrence (base): near top of NP4 zone (90% up, 61.7Ma, in Danian stage). Data source: Varol, 1989, fig. 12.4

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: Lithoptychius billii, synonyms included - Fasciculithus billii; space-time plot :: Samples map :: Parent: Lithoptychius

    References:

    Aubry, M. P., Bord, D. & Rodriguez, O. (2011). New taxa of the Order Discoasterales Hay 1977. Micropaleontology. 57(3): 269-287. gs

    Monechi, S., Reale, V., Bernaola, G. & Balestra, B. (2012). Taxonomic review of early Paleocene fasciculiths. Micropaleontology. 58(4): 351-365. gs

    Perch-Nielsen, K. (1971a). Einige neue Coccolithen aus dem Paläozän der Bucht von Biskaya und dem Eozän der Labrador See. Bulletin of the Geological Society of Denmark. 21: 347-361. gs

    Perch-Nielsen, K. (1985a). Cenozoic calcareous nannofossils. In, Bolli, H. M. , Saunders, J. B. & Perch-Nielsen, K. (eds) Plankton Stratigraphy. Cambridge University Press, Cambridge 427-555. gs

    Varol, O. (1989c). Palaeocene calcareous nannofossil biostratigraphy. In, Crux, J. A. & van Heck, S. E. (eds) Nannofossils and their applications. Ellis Horwood, Chichester 265-310. gs


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    Lithoptychius billii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 26-6-2019

    Taxon Search:
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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=813 Go to Archive.is to create a permanent copy of this page - citation notes



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