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radiolaria - rads_cat - Perizona pterygota radiolaria - rads_cat - Perizona pterygota

CATALOG OF ORIGINAL DESCRIPTIONS: Perizona pterygota Haeckel 1887

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: rads_cat -> P -> Perizona -> Perizona pterygota
Other pages this level: P. pterygota, P. scutella

Perizona pterygota

Citation: Perizona pterygota Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.427
Type specimens: pl.32, figs.8, 8a
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type locality: LM19
Type repository: No information given

Current identification:


Original Description

Disk with smooth surface, six times as broad as the outer, and fifteen times as broad as the inner medullary shell. Pores regularly circular; eighteen to twenty on the radius of the disk. Margin much thickened and truncated, abruptly separated in the equatorial circumference from the peripheral sharp margin of the solid girdle; breadth of the girdle equal to that of the outer medullary shell.

Size:
Diameter of the disk 0.25, of the outer medullary shell 0.04, of the inner 0.015; pores 0.006.

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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Perizona pterygota compiled by the radiolaria@mikrotax project team viewed: 17-3-2025

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=262052 Go to Archive.is to create a permanent copy of this page - citation notes



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