CATALOG OF ORIGINAL DESCRIPTIONS: Amphiactura 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 -> Amphiactura
Other pages this level: << < Acrocubus, Acrosphaera, Acrospyris, Actinocyrtis, Actinolithis, Actinomma, Actinosphaera, Actinozoum, Actissa, Adelocyrtis, Aegospyris, Afens, Alacorys, Albatrossidium, Amphactura, Amphiactura, Amphiaspis, Amphibrachium, Amphicarydiscus, Amphicentria, Amphicraspedum, Amphicryphalus, Amphicyclia, Amphilarcus, Amphimelissa, Amphiplecta, Amphipternis, Amphipyle, Amphipylonium, Amphirhopalum, Amphisphaera> >>

Amphiactura amphibrachia Haeckel 1887

Amphiactura

Citation: Amphiactura Haeckel 1887
Rank: genus
Described on page(s) : 470
Family (traditional): Coccodiscidae

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Current identification:


Original Description
Coccodiscida with two opposite chambered arms on the margin of the circular disk, connected by a spongy patagium.

The genus Amphiactura differs from the foregoing Diplactura in the development of a patagium between the arms, and therefore bears the same relation to it as Amphymenium in the Porodiscida does to Amphibrachium, or Spongobrachium in the Spongodiscida does to Spongolene. In this and in the following Discoidea provided with a patagium, this connecting web constantly exhibits a different texture of its framework, which is sometimes more regularly chambered, at other times more irregularly spongy.

Etymology: Greek amphiactura = stellated shell with tail on both sides"

Editors' Notes
[By refering back to p.458 in his Prodromus of 1881a, Haeckel in 1887a apparently means Amphiactura to be an emendation of the name Amphactura, which is unjustified according to the provisions of ICZN (1961) art. 33a. Amphiactura is thus a junior objective synonym of Amphactura Haeckel, 1881a. In description for Spongolene read Spongolena]

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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Amphiactura compiled by the radiolaria@mikrotax project team viewed: 12-5-2021

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