CATALOG OF ORIGINAL DESCRIPTIONS: Sethophormis astrodiscus 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 -> Sethophormis -> Sethophormis astrodiscus
Other pages this level: S. arachnium, S. asteriscus, S. astrodiscus, S. aurelia, S. cruciata, S. dodecaster, S. enneactis, S. enneastrum, S. eupilium, S. floscula, S. hexagonalis, S. hexalactis, S. leptopilium, S. leptoscenium, S. medusa, S. octalactis, S. pentalactis, S. rotula, S. triloba, S. umbrella

Sethophormis astrodiscus

Citation: Sethophormis astrodiscus Haeckel 1887
Rank: species
Type locality: LM54
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type repository: No information given
Described on page(s) : p.1244

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Current identification:


Original Description
Cephalis small, flatly vaulted, cap-shaped, with irregular, polygonal pores. Thorax very flatly vaulted, nearly discoidal, with subregular, hexagonal pores, and five stout ribs. The marginal distance between all five ribs is nearly equal. Peristome denticulate, with an elegant corona of small square pores and short conical thorns.

Size: Cephalis 0.015 long, 0.035 broad; thorax 0.05 long, 0.2 broad.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Sethophormis astrodiscus under the subgeneric name Pentaphormis , 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 year 1873-1876, Zoology. 18: 1-1803. gs


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Sethophormis astrodiscus compiled by the radiolaria@mikrotax project team viewed: 19-4-2021

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=261290 Go to Archive.is to create a permanent copy of this page - citation notes



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