CATALOG OF ORIGINAL DESCRIPTIONS: Pentalastrum ophidiaster 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 -> P -> Pentalastrum -> Pentalastrum ophidiaster
Other pages this level: P. asteracanthion, P. astropecten, P. cometa, P. ophidiaster

Pentalastrum ophidiaster

Citation: Pentalastrum ophidiaster Haeckel 1887
Rank: species
Type specimens: pl.44, fig.3
Type repository: No information given
Described on page(s) : p.557
Family (traditional): Spongodiscidae
Family (modern): Euchitoniidae

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Current identification:

Original Description
Arms nearly triangular, at their obtuse truncated distal end twice as broad as at their base. Four arms equal, with five joints each; the fifth arm twice as long, with seven joints. Angles between the arms nearly equal; the odd angle a little larger.

Radius of the larger odd arm 0.25, of the four smaller arms 0.15; basal breadth 0.035, distal breadth 0.07.

Editors' Notes
Haeckel listed Pentalastrum ophidiaster under the subgeneric name Pentalastromma, 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


Pentalastrum ophidiaster compiled by the radiolaria@mikrotax project team viewed: 18-4-2021

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