radiolaria - rads_cenozoic - Thyrsocyrtis radiolaria - rads_cenozoic - Thyrsocyrtis

Thyrsocyrtis


Classification: rads_cenozoic -> Theoperidae -> Theocotylidae -> Thyrsocyrtis
Sister taxa: Calocycloma, Lamptonium, Pterocodon, Theocotyle, Theocotylissa, Thyrsocyrtis
Daughter taxa (time control age-window is: 0-800Ma)
Thyrsocyrtis bromia

neptune records: 401
Thyrsocyrtis clausa

neptune records: 17
Thyrsocyrtis hirsuta

neptune records: 123
Thyrsocyrtis krooni

neptune records: 241
Thyrsocyrtis lochites

neptune records: 366
Thyrsocyrtis orthotenes

neptune records: 267
Thyrsocyrtis pinguisicoides

neptune records: 83
Thyrsocyrtis rhizodon

neptune records: 550
Thyrsocyrtis robusta

neptune records: 38
Thyrsocyrtis schomburgkii

neptune records:
Thyrsocyrtis tarsipes

neptune records: 24
Thyrsocyrtis tensa

neptune records: 70
Thyrsocyrtis tetracantha

neptune records: 422
Thyrsocyrtis triacantha

neptune records: 807
Thyrsocyrtis sp.

neptune records: 250

Taxonomy

Citation: Thyrsocyrtis Ehrenberg 1847
Taxonomic rank: genus
Basionym: Thyrsocyrtis

Catalog entries: Thyrsocyrtis

Original description: Testa duabus pluibusve strictures articulata. Corporis utroque fine arctato. Appendicibus postremis mediisque nullis. Frontis aculeo spinuloso.


Translated description: Test segmented by two or more strictures. Body narrowed at both ends. With no posterior or median appendages. Frontal spine spinulose. (Translated from Latin by E.M.R. and W.R.R.)]

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at top of Neogene Period (100% up, 2.6Ma, in Piacenzian 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:

References:

Ehrenberg, C. G. (1847). Uber die mikroskopischen kieselschaligen Polycystinen als machtige Gebirgsmasse von Barbados und uber das Verhaltniss der aus mehr als 300 neuen Arten bestehenden ganz eigenthumlichen Formengruppe jener Felsmasse zu den jetzt lebenden Tieren und zur. Bericht uber die zu Bekanntmachung geeigneten Verhandlungen der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1847: 41-60. gs


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Thyrsocyrtis compiled by the radiolaria@mikrotax project team viewed: 25-1-2026

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205881 Go to Archive.is to create a permanent copy of this page - citation notes



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