Lithraphidites pseudoquadratus

Classification: Mesozoic -> Nannoliths inc sedis -> Microrhabdulaceae -> Lithraphidites -> Lithraphidites pseudoquadratus
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.,


Citation: Lithraphidites pseudoquadratus Crux, 1981
Rank: Species

Farinacci & Howe catalog pages: Lithraphidites pseudoquadratus *

Search data:
TagsLITHS: nannolith-other, rod-shaped, CA: process,
MetricsLith size: 10->20µm; Segments: 4->4;
Sources: illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): near top of UC8b subzone (90% up, 91.8Ma, in Turonian stage). Data source: Burnett 1998, fig. 6.3
First occurrence (base): in upper part of UC1c subzone (70% up, 98.8Ma, in Cenomanian stage). Data source: Burnett 1998

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


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

    Crux, J. A. (1981). New calcareous nannofossil taxa from the Cretaceous of South East England. Neues Jahrbuch für Geologie und Paläontologie Monatshefte. 1981: 633-640. gs :: ::


    Lithraphidites pseudoquadratus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 13-7-2020

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    Short stable page link: Go to to create a permanent copy of this page - citation notes

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