Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
| Cyrtolagena aglaolampa neptune records: | ||||
| Cyrtolagena laguncula neptune records: 232 | ||||
| Cyrtolagena sp. neptune records: 15 | ||||
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.]
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:
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Cyrtolagena compiled by the radiolaria@mikrotax project team viewed: 6-10-2026
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 |