radiolaria - rads_cat - Phacostylus amphixiphus radiolaria - rads_cat - Phacostylus amphixiphus

CATALOG OF ORIGINAL DESCRIPTIONS: Phacostylus amphixiphus 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 -> Phacostylus -> Phacostylus amphixiphus
Other pages this level: P. amphipyramis, P. amphistylus, P. amphixiphus, P. caudatus, P. dellupi, P. originalis, P. vicinus

Phacostylus amphixiphus

Citation: Phacostylus amphixiphus Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.430
Type repository: No information given
Family (traditional): Coccodiscidae

Current identification:


Original Description

Disk with smooth surface, three times as broad as the outer, and eight times as broad as the inner medullary shell. Pores irregular, roundish; ten to eleven on the radius. Margin of the disk simple, smooth, without spines and equatorial girdle. Both polar spines sword-shaped triangular, two-edged, about as long as the radius of the disk, and as broad at the base as the inner medullary shell.

Diameter of the disk 0.15, of the outer medullary shell 0.05, of the inner 0.02; length of the polar spines 0.08, basal breadth 0.02. [dimensions in mm]

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Phacostylus amphixiphus under the subgeneric name Phacostylium, but did not include the subgeneric name in the species name.

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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Phacostylus amphixiphus compiled by the radiolaria@mikrotax project team viewed: 18-2-2025

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=252019 Go to Archive.is to create a permanent copy of this page - citation notes



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