radiolaria - rads_cenozoic - Otosphaera radiolaria - rads_cenozoic - Otosphaera


Classification: rads_cenozoic -> Collosphaeridae -> Otosphaera
Sister taxa: Acrosphaera, Buccinosphaera, Clathrosphaera, Collosphaera, Disolenia, Otosphaera, Siphonosphaera, Solenosphaera, Tribonosphaera, Trisolenia
Daughter taxa (time control age-window is: 0-800Ma)
Otosphaera annikae

neptune records:
Otosphaera auriculata

neptune records: 1
Otosphaera tenuissima

neptune records:
Otosphaera sp.

neptune records: 19


Citation: Otosphaera Haeckel 1887
taxonomic rank: genus
Basionym: Otosphaera

Catalog entries: Otosphaera

Original description: Collosphærida with simple shells, the pores of which are prolonged into external simple radial tubuli with fenestrated walls; outer mouth of the tubuli armed with a single tooth.


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:


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


Otosphaera compiled by the radiolaria@mikrotax project team viewed: 13-7-2024

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