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

Amphirhopalum ximorphum

Citation: Amphirhopalum ximorphum 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 six to seven transverse septa; distal end of each branch blunt, without terminal spine, somewhat broader than the base of the whole arm. Axis of the branches concavely curved. (Resembles Amphicraspedum maclaganium, Pl. 45, fig. 11, but wants the patagium.)

Radius of the arms 180µm, basal breadth 65µm; terminal breadth of each branch 75µm.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
[For Amphirrhopalum read Amphirhopalum. For Amphirrhopalium read Amphirhopalium.
Haeckel listed Amphirhopalum ximorphum under the subgeneric name Amphirhopalium, but did not include the subgeneric name 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 ximorphum compiled by the radiolaria@mikrotax project team viewed: 28-2-2021

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