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

Actissa radiata

Citation: Actissa radiata Haeckel 1887
Rank: species
Type repository: No information given
Described on page(s) : p.14
Family (traditional): not-known

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Current identification:


Original Description
Central capsule spherical, dark, with a thick, double-edged membrane. Nucleus central, spherical, half as large as the capsule, transparent. Protoplasm divided into numerous cuneiform radial pieces which are separated by clear intervals, and filled with very fine dark granules (darker in the distal half). The equatorial optical section exhibits around the circular clear nucleus a coronal of twenty-five such wedge-shaped pieces (mother-cells of spores ?). No oil-globules in the central capsule. Jelly-like calymma one and a half times as broad as the enclosed capsule, with numerous small xanthellae.

Diameter of the capsule 150µm, of the nucleus 70µm, of the calymma 240µm.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Actissa radiata under the subgeneric name Procyttarium, 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 radiata 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=250129 Go to Archive.is to create a permanent copy of this page - citation notes



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