Sethoperidae


Classification: rads_cenozoic -> Plagiacanthidae -> Sethoperidae
Sister taxa: Lophophaenidae, Plagiacanthidae (ss), Plagiacanthidae inc sed, Sethoperidae, Sethophormididae, Theopiliidae
Daughter taxa: (blue => in age window 0-800Ma) Granddaughter taxa
Acanthobotrys

neptune records:

Archiscenium

neptune records:

Callimitra

neptune records: 6

Cladoscenium

neptune records:

Clathrocanium

neptune records: 186

Clathrocorys

neptune records: 1

Clathromitra

neptune records:

Euscenium

neptune records:

Pteropilium

neptune records: 264

Spongomelissa

neptune records: 51

Tripilidium clavipes

neptune records: 44

Tripocalpis

neptune records: 18

Tripodiscinus

neptune records: 1

Verticillata

neptune records:

Taxonomy

Citation: Haeckel, 1881
emend. Petrushevskay, 1971
Rank: family (new classif)
Type species: Sethopera Haeckel 1881
Taxonomic discussion: This family is part of the revised classification system being developed by Prof. Suzuki and colleagues

Catalog entries: Sethoperidae [no catalog entry yet]

Description

Distinguishing features: One or two segmented forms with external spines usually connected by panels or arches of lattice wall.


Morphology:

De Wever et al. 2001: Dicyrtid nassellarians with well developed spines A, D and L and arches AD and AL. Usually spines D and L may form ribs, or wings, and the space between them may be fenestrated, or D, L and A may be interconnected by lattice panels.

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): at base of Aquitanian Stage (0% up, 23Ma, in Aquitanian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:


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Sethoperidae compiled by the radiolaria@mikrotax project team viewed: 2-12-2020

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Short stable page link: http://mikrotax.org/radiolaria/index.php?id=206143 Go to Archive.is to create a permanent copy of this page - citation notes



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