radiolaria - rads_cenozoic

Peripyramis

Classification: rads_cenozoic -> Theoperidae -> Acropyramiidae -> Peripyramis
Sister taxa: Artostrobus, Bathropyramis, Cornutella, Litharachnium, Peripyramis, Plectopyramis, Tricolocapsa

Daughter taxa (time control age-window is: 0-800Ma)
				Peripyramis circumtexta neptune records: 329
				Peripyramis magnifica neptune records: 16
				Peripyramis ordinarium neptune records:
				Peripyramis sp. neptune records: 12

Taxonomy

Citation: Peripyramis Haeckel 1881

Rank: genus

Basionym: Peripyramis

Catalog entries: Peripyramis

Original description: 1c. Tribus: Archiphormida Monocyrtida aperta multiradiata
A. Archiphormida limbata (Acropyramida). Testa pyramidali, versus ostium sensim ampliata, costis rectis quatuor aut pluribus in angulis pyramidis (poris cancelli quadratis vel rectangulis); margine ostii laevi aut succiso.
AII. Testa spinosa vel spongiosa.
IIc. testae spinis in pallium arachoideum vel spongiosum
(1c. Tribe: Archiphormida. Open multiradiate monocyrtids.
A. Bordered Archiphormida (Acropyramida). Test pyramidal, gradually expanding toward the aperture; four or more straight ribs in the angles of a pyramid (latticed with pores quadrate or rectangular); apertural margin smooth or truncate.
AII. Test spiny or spongy.
IIc. Spines of the test united to form an arachnoidal or spongy covering. (Translated from Latin by E.M.R. and W.R.R.)]

Description

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 Danian Stage (0% up, 66Ma, in Danian stage). Data source: Total of range of species in this database

Plot of occurrence data:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Neptune data: This is a higher taxon page so Neptune data is not plotted. See also: customisable plot Parent: Acropyramiidae

References:

Haeckel, E. (1882). Entwurf eines Radiolarien-Systems auf Grund von Studien der Challenger-Radiolarien [Basis for a radiolarian classification from the study of Radiolaria of the Challenger collection]. Jenaische Zeitschrift für Naturwissenschaft. 15: 418-472. gs

Peripyramis compiled by the radiolaria@mikrotax project team viewed: 22-4-2021

Taxon Search:

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=204961 Go to Archive.is to create a permanent copy of this page - citation notes

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