radiolaria - rads_cat - Phacostylus amphipyramis radiolaria - rads_cat - Phacostylus amphipyramis

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

Phacostylus amphipyramis

Citation: Phacostylus amphipyramis Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.431
Type repository: No information given
Family (traditional): Coccodiscidae

Current identification:


Original Description

Disk with spiny surface, four and a half times as broad as the outer, and fourteen times as broad as the inner medullary shell. Pores irregular, roundish; eight to ten on the radius. Margin of the disk with a corona of irregular, radial spines. Both opposite polar spines pyramidal, twice as long as broad, and nearly as long as the radius of the disk.

Diameter of the disk 0.22, of the outer medullary shell 0.05, of the inner 0.016 length of the polar spines 0.1, basal breadth 0.05. [dimensions in mm]

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Phacostylus amphipyramis under the subgeneric name Astrostylus, 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


logo

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

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/radiolaria/index.php?id=252018 Go to Archive.is to create a permanent copy of this page - citation notes



Add Comment

* Required information
Captcha Image

Comments

No comments yet. Be the first!