Nannotax3 - ntax_mesozoic - Reinhardtites Nannotax3 - ntax_mesozoic - Reinhardtites

Reinhardtites


Classification: ntax_mesozoic -> Eiffellithales -> Chiastozygaceae -> Reinhardtites
Sister taxa: Amphizygus, Archaeozygodiscus, Gorkaea, Placozygus, Reinhardtites, Tranolithus, Zeugrhabdotus ⟩⟨ Chiastozygus ⟩⟨ Staurolithites, Diadorhombus, Rhabdophidites ⟩⟨ Ahmuellerella, Bukrylithus, Diloma, Heteromarginatus, Misceomarginatus, Monomarginatus, Vacherauvillius ⟩⟨ Braloweria, Clepsilithus, Crepidolithus, Loxolithus, Neocrepidolithus, Tubirhabdus, C. - unidentified

Distinguishing features:
Parent taxon (Chiastozygaceae): Typical Eiffelithales - rim with well outer/upper clockwise-imbricate V-units and lower/inner R-units. Central area open or spanned by disjunct cross or bar supporting a spine.
This taxon: Unicyclic muroliths with very broad rim and narrow central-area spanned or filled by a tranverse bar.


Daughter taxa (time control age-window is: 0-800Ma)
Common species
Reinhardtites anthophorus
Large openings either side of cross-bar
Reinhardtites levis
Small openings either side of cross-bar
Rare species, placement in Reinhardtites uncertain
Reinhardtites clavicaviformis
Delicate axial cross fills the central area. 
Reinhardtites elkefensis
Bulbous central structure
Reinhardtites sp.
Specimens not identified to species level

Taxonomy:

Citation: Reinhardtites Perch-Nielsen, 1968
taxonomic rank: Genus
Type species: Reinhardtites anthophorus (Deflandre, 1959) Perch-Nielsen, 1968

Farinacci & Howe catalog pages: Reinhardtites *

Distinguishing features:
Parent taxon (Chiastozygaceae): Typical Eiffelithales - rim with well outer/upper clockwise-imbricate V-units and lower/inner R-units. Central area open or spanned by disjunct cross or bar supporting a spine.
This taxon: Unicyclic muroliths with very broad rim and narrow central-area spanned or filled by a tranverse bar.

Search data:
LITHS: murolith, elliptical, CA: cross-axial, ca_disjunct, plate, process, bar, CROSS-POLARS: rim-unicyclic, V-prominent,
Lith size: 5->14µm;
Data source notes: size range of included species
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): at top of Maastrichtian Stage (100% up, 66Ma, in Danian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Turonian Stage (89.77-93.9Ma, base in Turonian stage). Data source: Total of ranges of species in this database

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 O

Perch-Nielsen, K. (1968). Der Feinbau und die Klassifikation der Coccolithen aus dem Maastrichtien von Danemark. Biologiske Skrifter, Kongelige Danske Videnskabernes Selskab. 16: 1-96. gs


nannotaxlogo400px

Reinhardtites compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 10-12-2023

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10989 Go to Archive.is to create a permanent copy of this page - citation notes
nannotaxlogo400px

Nannotax is being sponsored through 2024 by Woodside Energy and Shell USA


Add Comment

* Required information
Captcha Image
Powered by Commentics

Comments

No comments yet. Be the first!