radiolaria - rads_cenozoic - Semantis radiolaria - rads_cenozoic - Semantis

Semantis


Classification: rads_cenozoic -> Trissocyclidae -> Acanthodesmiidae -> Semantis
Sister taxa: Acanthodesmia, Amphispyris, Ceratospyris, Desmospyris, Dictyospyris, Eucoronis, Liriospyris, Lithocircus, Lithotympanum, Nephrodictyum, Paradictyum, Phormospyris, Psychospyris, Semantis, Tricolospyris, Tympanidium, Tympanomma
Daughter taxa (time control age-window is: 0-800Ma)
Semantis gracilis

neptune records:
Semantis sp.

neptune records:

Taxonomy

Citation: Semantis Haeckel 1887
Taxonomic rank: genus
Basionym: Semantis

Catalog entries: Semantis

Original description: Semantida with two basal pores (or jugular pores), without typical basal feet.

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 Quaternary Period (0.00-2.59Ma, base in Gelasian 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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Semantis compiled by the radiolaria@mikrotax project team viewed: 11-8-2026

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205346 Go to Archive.is to create a permanent copy of this page - citation notes



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