Lithraphidites bollii


Classification: Mesozoic -> Nannoliths inc sedis -> Microrhabdulaceae -> Lithraphidites -> Lithraphidites bollii
Sister taxa: L. carniolensis, L. charactozorro, L. grossopectinatus, L. kennethii, L. praequadratus, L. quadratus, L. acutus, L. alatus, L. pseudoquadratus, L. bollii, L. houghtonii, L. moray-firthensis, L. sp.,

Distinguishing features:

Rod-shaped nannolith with parallel sides and a relatively wide axial canal. The outer surfaces are irregular. 


Taxonomy:

Citation: Lithraphidites bollii (Thierstein, 1971) Thierstein, 1973
Rank: Species
Basionym: Microrhabdulus bollii Thierstein, 1971

Farinacci & Howe catalog pages: Microrhabdulus bollii * , ,

Distinguishing features:

Rod-shaped nannolith with parallel sides and a relatively wide axial canal. The outer surfaces are irregular. 


Morphology remarks: There is some evidence of a basal structure.

Ecology & Biogeography: Mainly Tethyan distribution.

Geological Range:
Last occurrence (top): at top of NC5b subzone (100% up, 131.5Ma, in Hauterivian stage). Data source: Bown et al. 1998
First occurrence (base): in upper part of NC4 zone (60% up, 132.9Ma, in Hauterivian stage). Data source: Bown et al. 1998, fig 5.1

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: Lithraphidites bollii, synonyms included - Lithraphidites bollii; space-time plot :: Samples map :: Parent: Lithraphidites

    References:

    Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Early Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 86-131. gs

    Thierstein, H. R. (1971). Tentative Lower Cretaceous Calcareous Nannoplankton Zonation. Eclogae Geologicae Helvetiae. 64: 459-488. gs

    Thierstein, H. R. (1973). Lower cretaceous calcareous nannoplankton biostratigraphy. Abhandlungen der Geologischen Bundesanstalt. 29: 3-52. gs


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    Lithraphidites bollii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 24-7-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10582 Go to Archive.is to create a permanent copy of this page - citation notes



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