radiolaria - rads_cat - Phacodiscus clypeus radiolaria - rads_cat - Phacodiscus clypeus

CATALOG OF ORIGINAL DESCRIPTIONS: Phacodiscus clypeus 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 -> Phacodiscus -> Phacodiscus clypeus
Other pages this level: P. calvertanus, P. clypeus, P. coronoides, P. duplus, P. duplus ukrainicus, P. grandis, P. lentiformis, P. licharevi, P. rotula, P. subsphaericus, P. testatus

Phacodiscus clypeus

Citation: Phacodiscus clypeus Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.425
Type specimens: pl.35, figs.6,9
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 radiated surface, four times as broad as the outer, and twelve times as broad as the inner medullary shell. Pores regularly circular; sixteen to eighteen on the radius of the disk; in the distal half disposed in sixty to seventy radial series, which are separated by prominent crests; the sharp margin therefore a little jagged.

Size:
Diameter of the disk 0.2, of the outer medullary shell 0.05, of the inner 0.017; pores 0.006.

Editors' Notes
Haeckel listed Phacodiscus clypeus under the subgeneric name Phacodisculus, but did not include the subgeneric name in the species name.

See Sethodicus cristatue Haeckel, 1887a.[comment from RadWorld database]

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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Phacodiscus clypeus compiled by the radiolaria@mikrotax project team viewed: 16-2-2025

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=262051 Go to Archive.is to create a permanent copy of this page - citation notes



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