radiolaria - rads_cenozoic - Aphetocyrtis radiolaria - rads_cenozoic - Aphetocyrtis

Aphetocyrtis


Classification: rads_cenozoic -> Theoperidae -> Theoperidae inc sed -> Aphetocyrtis
Sister taxa: Anthocyrtoma, Aphetocyrtis, Archicorys, Cassideus, Conarachnium, Cyrtolagena, D. middouri, Diplocyclas, Eurystomoskevos, Lithapium, Lithomitrissa, Lophoconus, Lophocorys, Phrenocodon, Sethochytris, Sethoconus, Sethocyrtis, Stichocampe, Theocorys, Udan
Daughter taxa (time control age-window is: 0-800Ma)
Aphetocyrtis catalexis

neptune records:
Aphetocyrtis gnomabax

neptune records:
Aphetocyrtis rossi

neptune records:
Aphetocyrtis sp.

neptune records:

Taxonomy

Citation: Aphetocyrtis Sanfilippo&Caulet 1998
Taxonomic rank: genus
Basionym: Aphetocyrtis
Taxonomic discussion:

Catalog entries: Aphetocyrtis

Original description: Description: Three-segmented theoperids with a porous subspherical cephalis bearing a small simple cephalic horn, proximally arched in early representatives. Thorax inflated hemispherical, with a rough, sometimes thorny, surface. Abdomen subcylindrical to truncate conical, sometimes closed. There is no distinct peristome or terminal feet.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at top of Burdigalian Stage (100% up, 16Ma, in Burdigalian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:

References:

Sanfilippo, A. & Caulet, J. (1998). Taxonomy and evolution of Paleogene Antarctic and tropical Lophocyrtid radiolarians. Micropaleontology. 44(1): 1-43. gs


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Aphetocyrtis compiled by the radiolaria@mikrotax project team viewed: 6-10-2026

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203177 Go to Archive.is to create a permanent copy of this page - citation notes



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