Peripyramis


Classification: rads_cenozoic -> Theoperidae -> Acropyramiidae -> Peripyramis
Sister taxa: Artostrobus, Bathropyramis, Cornutella, Litharachnium, Peripyramis, Plectopyramis, Tricolocapsa,
Daughter taxa: (blue => in age window 0-800Ma)

neptune records: 329

neptune records: 16

neptune records:

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:

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 fur Naturwissenschaft. 15: 418-472. gs :: ::


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Peripyramis compiled by the radiolaria@mikrotax project team viewed: 2-6-2020

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Short stable page link: http://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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