Nannotax3 - ntax_mesozoic - Lithraphidites pseudoquadratus

Lithraphidites pseudoquadratus

Classification: ntax_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. houghtonii, L. moray-firthensis ⟩⟨ L. aichmoides, L. magnus, L. pugio, L. bollii, L. sp.


Citation: Lithraphidites pseudoquadratus Crux, 1981
Rank: Species

Farinacci & Howe catalog pages: L. pseudoquadratus *



Ecology & Biogeography

Biology & life-cycles

Phylogenetic relations

Search data:
LITHS: nannolith-other, rod-shaped, CA: process, CROSS-POLARS: T-prominent,
Lith size: 10->20µm; Segments: 4->4;
Data source notes: 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:


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

Crux, J. A. (1980). A biostratigraphical study of Upper Cretaceous nannofossils from South-east England and North France. PhD thesis, University College London. -. 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 V O

Kanungo, S., Bown, P. R. & Gale, A. S. (2020). Cretaceous (Albian-Turonian) calcareous nannofossil biostratigraphy of the onshore Cauvery Basin, southeastern India. Cretaceous Research. 118 [2021]: 1-22. gs


Lithraphidites pseudoquadratus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 3-12-2022

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