CATALOG OF ORIGINAL DESCRIPTIONS: Sethophormis medusa 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 medusa
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 medusa

Citation: Sethophormis medusa Haeckel 1887
Rank: species
Type repository: No information given
Described on page(s) : p.1244
Family (traditional): Plagiacanthidae

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Current identification:


Original Description
Cephalis very large, flat, cap-shaped, with irregular, delicate network of polygonal meshes. Thorax flat, campanulate, nearly hemispherical, with delicate, irregular network of small polygonal meshes. All bars very thin, thread-like. Four stout radial thoracic ribs, as in the preceding species. Peristome denticulate.

Cephalis 0.03 long, 0.09 broad; thorax 0.15 long, 0.25 broad.

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

The "preceding species" refers to Sethophormis cruciata Haeckel, 1887a.

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 medusa 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=252384 Go to Archive.is to create a permanent copy of this page - citation notes



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