radiolaria - rads_cat - Stylodiscus amphistylus radiolaria - rads_cat - Stylodiscus amphistylus

CATALOG OF ORIGINAL DESCRIPTIONS: Stylodiscus amphistylus 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 -> S -> Stylodiscus -> Stylodiscus amphistylus
Other pages this level: S. amphistylus, S. clandestinus, S. cornutus, S. endostylus, S. pedibus, S. proprius

Stylodiscus amphistylus

Citation: Stylodiscus amphistylus Haeckel 1887
Taxonomic rank: species
Described on page(s) : p.413
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type locality: LM31
Type repository: No information given

Current identification:


Original Description

Disk with smooth surface and smooth margin. Pores regular, circular; eight to nine on the radius of the disk. Both opposite polar spines pyramidal, sulcated, about as long as the radius of the disk, and three times as long as broad at the base. Inner cavity of the disk simple, without centripetal rods.

Size:
Diameter of the disk 0.15, of the pores 0.007; length of the polar spines 0.08, basal breadth 0.03.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Stylodiscus amphistylus under the subgeneric name Stylexodiscus, but did not include the subgeneric name in the species name.[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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Stylodiscus amphistylus compiled by the radiolaria@mikrotax project team viewed: 20-7-2025

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=262038 Go to Archive.is to create a permanent copy of this page - citation notes



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