CATALOG OF ORIGINAL DESCRIPTIONS: Actissa discoides 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 -> A -> Actissa -> Actissa discoides
Other pages this level: A. discoides, A. ellipsoides, A. larcoides, A. lenticularis, A. phacoides, A. princeps, A. prototypus, A. prunoides, A. radiata

Actissa discoides

Citation: Actissa discoides Haeckel 1887
Rank: species
Type repository: No information given
Described on page(s) : p.15
Family (traditional): not-known

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Current identification:


Original Description
Central capsule lenticular, red-coloured, about twice as broad as high, with a thick, double-edged membrane. Nucleus spherical, one-third as broad as the capsule, with one single, large central nucleolus. Protoplasm dusky, filled with scarlet pigment; granules and small oil-globules between them. Calymma lenticular, three times as broad as the capsule.

Major axis of the capsule 160µm, minor 80µm; diameter of the nucleus 50µm; breadth of the calymma 500µm.

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


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Actissa discoides compiled by the radiolaria@mikrotax project team viewed: 21-4-2021

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=250121 Go to Archive.is to create a permanent copy of this page - citation notes



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