radiolaria - rads_cenozoic - Cyrtolagena radiolaria - rads_cenozoic - Cyrtolagena

Cyrtolagena


Classification: rads_cenozoic -> Theoperidae -> Theoperidae inc sed -> Cyrtolagena
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)
Cyrtolagena aglaolampa

neptune records:
Cyrtolagena laguncula

neptune records: 232
Cyrtolagena sp.

neptune records: 15

Taxonomy

Citation: Cyrtolagena Haeckel 1887
Taxonomic rank: genus
Basionym: Cyrtolagena
Taxonomic discussion:

Catalog entries: Cyrtolagena

Original description: Shell with four or more annular strictures, and five or more joints.
Remarks on original description: [Although Haeckel refers back to 1879, there is no mention of Cyrtolagena in that reference or any later reference. Cyrtolagena is here treated as a subgenus of Cyrtopera.]

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

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:

References:

Haeckel, E (1887). Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873-1876. 18: 1-1803. gs O


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Cyrtolagena 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=203801 Go to Archive.is to create a permanent copy of this page - citation notes



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