radiolaria - rads_cenozoic - Spirocyrtis radiolaria - rads_cenozoic - Spirocyrtis


Classification: rads_cenozoic -> Artostrobiidae -> Spirocyrtis
Sister taxa: Artobotrys, Artostrobium, Aspis, Botryostrobus, Buryella, Dictyoprora, Lithamphora, Lithomitra, Phormostichoartus, Siphocampe, Siphostichartus, Spirocyrtis, Theocamptra, Tricolocampe
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


Citation: Spirocyrtis Haeckel 1881
Rank: genus
Basionym: Spirocyrtis

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.)]


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 Aquitanian Stage (0% up, 23Ma, in Aquitanian stage). Data source: Total of range of species in this database

Plot of occurrence data:


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 O


Spirocyrtis compiled by the radiolaria@mikrotax project team viewed: 1-10-2023

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