Nannotax3 - ntax_mesozoic - Tetrapodorhabdus

Tetrapodorhabdus

Classification: ntax_mesozoic -> Podorhabdales -> Axopodorhabdaceae -> Tetrapodorhabdus
Sister taxa: Podorhabdus, Hemipodorhabdus, Axopodorhabdus, Tetrapodorhabdus, Hexapodorhabdus, Octocyclus, Octopodorhabdus ⟩⟨ Dodekapodorhabdus, Perissocyclus, Teichorhabdus ⟩⟨ Cribrosphaerella, Ethmorhabdus, Nephrolithus, Psyktosphaera ⟩⟨ Cribrocorona

Distinguishing features: Elliptical; central area with diagonal cross or offset crossbars bars, supporting hollow spine

Daughter taxa (time control age-window is: 0-800Ma)
				Tetrapodorhabdus coptensis Podorhabdids with central area spanned by diagonal cross bars.
				Tetrapodorhabdus decorus Podorhabdid with central area spanned by relatively high angle diagonal cross bars that bear a large, flaring spine.
				Tetrapodorhabdus shawensis Podorhabdid with central area spanned by asymmetric diagonal cross.
				Tetrapodorhabdus sp. Specimens not identified to species level

Grun_and_Allemann_1975-14.JPG

Taxonomy:

Citation: Tetrapodorhabdus Black, 1971

Rank: Genus

Type species: Tetrapodorhabdus coptensis Black, 1971.

Farinacci & Howe catalog pages: Tetrapodorhabdus *

Distinguishing features: Elliptical; central area with diagonal cross or offset crossbars bars, supporting hollow spine

Search data:

Tags	LITHS: placolith, elliptical, CA: ca_disjunct, process, diagonal cross, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
Metrics	Lith size: 4->12µm; 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 Maastrichtian stage). Data source: Total of range of species in this database
First occurrence (base): in upper part of Bajocian Stage (82% up, 168.6Ma, in Bajocian stage). Data source: Total of range of species in this database

Plot of occurrence data:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Neptune data: This is a higher taxon page so Neptune data is not plotted. See also: customisable plot Parent: Axopodorhabdaceae

References:

Black, M. (1971a). Coccoliths of the Speeton Clay and Sutterby Marl. Proceedings of the Yorkshire Geological Society. 38: 381-424. gs

Bown, P. R. & Cooper, M. K. E. (1998). Jurassic. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 34-85. gs

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

Grün, W. & Allemann, F. (1975). The Lower Cretaceous of Caravaca (Spain): Berriasian Calcareous Nannoplankton of the Miravetes Section (Subbetic Zone, Prov. of Murcia). Eclogae Geologicae Helvetiae. 68: 147-211. gs V O

Tetrapodorhabdus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-2-2021

Taxon Search:

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11206 Go to Archive.is to create a permanent copy of this page - citation notes

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