radiolaria - rads_cenozoic

radiolaria - rads_cenozoic - Tetraphormis radiolaria - rads_cenozoic - Tetraphormis

Tetraphormis

Classification: rads_cenozoic -> Plagiacanthidae -> Sethophormididae -> Tetraphormis
Sister taxa: Enneaphormis, Genetrix, Sethophormis, Tetraphormis, Velicucullus

Daughter taxa (time control age-window is: 0-800Ma)
				Tetraphormis dodecaster neptune records:
				Tetraphormis sp. neptune records:

Taxonomy

Citation: Tetraphormis Haeckel 1881

Rank: genus

Basionym: Tetraphormis

Taxonomic discussion:

Catalog entries: Tetraphormis

Original description: 2c. Tribus: Sethophormida. Dycyrtida aperta multiradiata.
A. Sethophormida complanata (testa plana, secundo articulo disciformi aut parum elevato radiis 4 aut pluribus fortibus, valde divergentibus, primo articulo plerumque magno obtuso).
AI. costis secundi articuli quatuor.

Translated description: 2c. Tribe: Sethophormida. Multiradiate, open Dyocyrtida.
A. Flattened Sethophormida (shell flat, with second segment
disciform or slightly elevated, with 4 or more strong radii, strongly divergent, with the first segment usually large and obtuse).
AI. With four ribs of the second segment. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: [Synonymized with Sethophormis Haeckel, by Petrushevskaya, 1971b]

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): at base of Gelasian Stage (0% up, 2.6Ma, in Piacenzian 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: Sethophormididae

References:

Haeckel, E. (1882a). Entwurf eines Radiolarien-Systems auf Grund von Studien der Challenger-Radiolarien [Basis for a radiolarian classification from the study of Radiolaria of the Challenger collection]. Jenaische Zeitschrift für Naturwissenschaft. 15: 418-472. gs

Tetraphormis compiled by the radiolaria@mikrotax project team viewed: 7-6-2023

Taxon Search:

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AphiaID: 493578 Nomenclatural data on WoRMS
Short stables page link: https://mikrotax.org/radiolaria/index.php?id=205731 Go to Archive.is to create a permanent copy of this page - citation notes

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