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

![]() |
Aphetocyrtis compiled by the radiolaria@mikrotax project team viewed: 6-10-2026
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 |