Psyktosphaera


Classification: ntax_mesozoic -> Podorhabdales -> Axopodorhabdaceae -> Psyktosphaera
Sister taxa: Podorhabdus, Hemipodorhabdus, Axopodorhabdus, Tetrapodorhabdus, Hexapodorhabdus, Octocyclus, Octopodorhabdus ⟩⟨ Dodekapodorhabdus, Perissocyclus, Teichorhabdus ⟩⟨ Cribrosphaerella, Ethmorhabdus, Nephrolithus, Psyktosphaera ⟩⟨ Cribrocorona

Distinguishing features: Similar to Cribrosphaerella but with perforations only in centre of central area


Daughter taxa (time control age-window is: 0-800Ma)
Psyktosphaera firthii

Psyktosphaera sp.
Specimens not identified to species level

Taxonomy:

Citation: Psyktosphaera Pospichal & Wise, 1990
Rank: Genus
Type species: Psyktosphaera firthii Pospichal & Wise, 1990

Farinacci & Howe catalog pages: Psyktosphaera *

Distinguishing features: Similar to Cribrosphaerella but with perforations only in centre of central area

Search data:
TagsLITHS: placolith, asymmetric, elliptical, CA: ca_disjunct, grill, plate, closed, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 9->10µm;
Data source notes: size range of included species
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): at top of No known fossil record modern (100% up, 0Ma, in "Holocene" stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Pospichal, J. J. & Wise, S. W. (1990b). Maestrichtian calcareous nannofossil biostratigraphy of Maud Rise ODP leg 113 sites 689 and 690, Weddell Sea. Proceedings of the Ocean Drilling Program, Scientific Results. 113: 465-487. gs V O


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Psyktosphaera compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-4-2021

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10963 Go to Archive.is to create a permanent copy of this page - citation notes



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