Nannotax3 - ntax_mesozoic - Lucianorhabdus quadrifidus

Lucianorhabdus quadrifidus


Classification: ntax_mesozoic -> Holococcoliths -> Common genera -> Lucianorhabdus -> Lucianorhabdus quadrifidus
Sister taxa: L. cayeuxii, L. arcuatus, L. compactus, L. inflatus, L. maleformis, L. quadrifidus, L. salomonii ⟩⟨ L. boudagherfadeliae, L. tabernus, L. turris ⟩⟨ L. arborius, L. cubiterminalis, L. phlaskus, L. lageniformis, L. windii, L. sp.

Distinguishing features:
Parent taxon (Lucianorhabdus): Holococcoliths with a proximal plate of four blocks and tall, hollow spines, which are often ridged or pitted and may be bulbous or curved.
This taxon: Lucianorhabduswith base wider than process, ends in crown-like plug


Taxonomy:

Citation: Lucianorhabdus quadrifidus Forchheimer, 1972
Rank: Species

Farinacci & Howe catalog pages: L. quadrifidus *

Distinguishing features:
Parent taxon (Lucianorhabdus): Holococcoliths with a proximal plate of four blocks and tall, hollow spines, which are often ridged or pitted and may be bulbous or curved.
This taxon: Lucianorhabduswith base wider than process, ends in crown-like plug

Search data:
TagsLITHS: holococcolith, elliptical, rod-shaped, hollow, CA: ca_disjunct, process, CROSS-POLARS: rim-unicyclic, R-prominent,
MetricsLith size: 8->16µm; Segments: 4->4;
Data source notes: original description +/-4 µm
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): in lower part of UC16 zone (30% up, 74.8Ma, in Campanian stage). Data source: Burnett 1998, fig 6.5
First occurrence (base): at base of UC8b subzone (0% up, 92.3Ma, in Turonian stage). Data source: Burnett 1998 (subzonal marker), fig.6.3

Plot of occurrence data:

References:

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

Forchheimer, S. (1972). Scanning electron microscope studies of Cretaceous coccoliths from the Köpingsberg Borehole No. 1, SE Sweden. Sveriges Geologiska Undersökning, Series C. #668, 65: 1-141. gs

Püttmann, T., Linnert, C., Dölling, B. & Mutterlose, J. (2018). Deciphering Late Cretaceous (Cenomanian to Campanian) coastline dynamics in the southwestern Münsterland (northwest Germany) by using calcareous nannofossils: Eustasy vs local tectonics,. Cretaceous Research. 87: 174-184. gs


nannotaxlogo400px

Lucianorhabdus quadrifidus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 21-9-2021

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10621 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