Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
![]() | Spirocyrtis greeni neptune records: 2 | |||
![]() | ![]() | ![]() | Spirocyrtis gyroscalaris neptune records: 119 | |
![]() | ![]() | ![]() | ![]() | Spirocyrtis scalaris neptune records: 78 |
![]() | ![]() | ![]() | ![]() | Spirocyrtis subscalaris neptune records: 148 |
![]() | Spirocyrtis subtilis neptune records: 199 | |||
Spirocyrtis sp. neptune records: 82 |
Catalog entries: Spirocyrtis
Original description: 5a. Tribus: Stichocorida.
Stichocyrtida aperta eradiata.
A. Stichocorida limbata (ostio laevi aut succiso).
AII. acuta (capitulo spinoso non laevi).
IIb. stricturis partim. contiguis, in lineam spiralem continuam productis.
Translated description: 5a. Tribe: Stichocorida. Open, eradiate Stichocyrtida.
A. Girdled Stichocorida (with aperture smooth or truncate).
AII. Acute (cephalis spiny, not smooth).
IIb. With some of the strictures joined, forming a continuous linear spiral. (Translated from Latin by E.M.R. and W.R.R.)]
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
![]() |
Spirocyrtis compiled by the radiolaria@mikrotax project team viewed: 11-2-2025
Short stable page link: https://mikrotax.org/bforams/index.php?id=205447 Go to Archive.is to create a permanent copy of this page - citation notes |