CATALOG OF ORIGINAL DESCRIPTIONS: Amphirhopalum amphidicranum 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 -> Amphirhopalum -> Amphirhopalum amphidicranum
Other pages this level: A. amphidicranum, A. bifidum, A. bigeminum, A. echinatum, A. omalocladum, A. praeypsilon, A. ximorphum, A. ypsilon

Amphirhopalum amphidicranum

Citation: Amphirhopalum amphidicranum Haeckel 1887
Rank: species
Type repository: No information given
Described on page(s) : p.521
Family (traditional): Spongodiscidae

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Current identification:

Original Description
Both arms equal, in the proximal half simple, in the distal half forked, with irregular septa; distal end of each arm blunt, without a terminal spine, smaller than the basal breadth of the arm. Axis of the branches straight. (Resembles Dicranastrum furcatum, Pl. 47, fig. 2, but without lateral arms.)

Radius of each arm 150µm, basal breadth 30µm; terminal breadth of each branch 20µm.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
For Amphirrhopalum read Amphirhopalum. For Amphirrhopalium read Amphirhopalium.

Haeckel listed Amphirhopalum amphicranum under the subgeneric name Amphirhpalium, but did not include the subgeneric name in the species name.


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


Amphirhopalum amphidicranum compiled by the radiolaria@mikrotax project team viewed: 28-2-2021

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