CATALOG OF ORIGINAL DESCRIPTIONS: Amphicraspedum wyvilleanum 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 -> Amphicraspedum -> Amphicraspedum wyvilleanum
Other pages this level: A. maclaganium, A. murrayanum, A. praemurrayanum, A. prolixum, A. wyvilleanum

Amphicraspedum wyvilleanum

Citation: Amphicraspedum wyvilleanum Haeckel 1887
Rank: species
Type specimens: pl.45, fig.12
Type repository: No information given
Described on page(s) : p.523
Family (traditional): Spongodiscidae
Family (modern): Euchitoniidae

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Current identification:

Original Description
Both arms different. Larger arm simple, egg-shaped, with eleven convex joints, one and a half times as long as broad; smaller arm in the basal half simple, triangular, with six cap-like joints, in the distal half forked; both branches egg-shaped, with five joints and blunt ends. Patagium nearly complete, with four to five concave chamber-rows.

Radius of the larger simple arm 180µm, breadth 80µm; radius of the smaller forked arm 160µm; breadth of the branches 50µm; transverse breadth of the patagium 200µm.

Etymology: Called in honour of Sir C. Wyville Thomson.

Editors' Notes
Haeckel listed Amphicraspedum wyvilleanum under the subgeneric name Amphicraspedina, but did not include the subgeneric name in the species name.
See also Amphicraspedum anomalum Popofsky, 1912.
Synonymized with Amphirhopalum ypsilon Haeckel, by Nigrini, 1967]


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

Nigrini, C. A. (1967). Radiolaria in pelagic sediments from the Indian and Atlantic Oceans. Bulletin of the Scripps Institution of Oceanography. 11: 1-125. gs


Amphicraspedum wyvilleanum compiled by the radiolaria@mikrotax project team viewed: 22-4-2021

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