radiolaria - rads_cenozoic - Phormocyrtis radiolaria - rads_cenozoic - Phormocyrtis

Phormocyrtis


Classification: rads_cenozoic -> Pterocorythidae -> Phormocyrtis
Sister taxa: Albatrossidium, Anthocyrtidium, Calocycletta, Lamprocyclas, Lamprocyrtis, Phormocyrtis, Podocyrtis, Pterocorys, Pterocorythidae inc sed, Tetracorethra, Theocorythium, Theocyrtis
Daughter taxa (time control age-window is: 0-800Ma)Granddaughter taxa
Phormocyrtis alexandrae

neptune records: 216

Phormocyrtis cubensis

neptune records: 65

Phormocyrtis embolum

neptune records: 53

Phormocyrtis ligulata

neptune records: 3

Phormocyrtis proxima

neptune records:

Phormocyrtis striata

neptune records: 6
Phormocyrtis striata exquisita
Phormocyrtis striata praexquisita
Phormocyrtis striata striata

Phormocyrtis turgida

neptune records: 58

Phormocyrtis sp.

neptune records: 3

Taxonomy

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

Catalog entries: Phormocyrtis

Original description: Theophormida (vel Tricyrtida multiradiata aperta) with numerous radial ribs enclosed in the wall of the thorax, and of the ovate or cylindrical abdomen; mouth of the latter constricted.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at top of Paleogene Period (100% up, 23Ma, in Aquitanian 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:

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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Phormocyrtis compiled by the radiolaria@mikrotax project team viewed: 15-12-2024

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=204995 Go to Archive.is to create a permanent copy of this page - citation notes



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