radiolaria - rads_cat - Amphymenium amphistylium radiolaria - rads_cat - Amphymenium amphistylium

CATALOG OF ORIGINAL DESCRIPTIONS: Amphymenium amphistylium 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 -> Amphymenium -> Amphymenium amphistylium
Other pages this level: A. amphistylium, A. challengerae, A. connicinum, A. elegans, A. ellipticum, A. fusiforme, A. monstrosum, A. pupula, A. romboideum, A. splendiarmatum, A. zygartus

Amphymenium amphistylium

Citation: Amphymenium amphistylium Haeckel 1887
taxonomic rank: species
Described on page(s) : p.520
Type specimens: pl.44, fig.9
Type repository: No information given
Family (traditional): Spongodiscidae
Family (modern): Euchitoniidae

Current identification/main database link: Amphymenium amphistylium Haeckel 1887


Original Description

Both arms equal, three times as long as broad, thickened towards the truncated distal end, and armed with a strong pyramidal terminal spine. Each arm with seven joints, separated by convex, transverse septa, and halved by a radial beam lying in the longitudinal axis. Patagium incomplete, cylindrical, enveloping only the middle part of the shell.

Radius of each arm 180µm, greatest breadth 60µm; transverse breadth of the patagium 80µm.

Editors' Notes
Haeckel listed Amphymenium amphistylium under the subgeneric name Ommathymenium, but did not include the subgeneric name in the species name.

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 years 1873-1876. 18: 1-1803. gs O


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Amphymenium amphistylium compiled by the radiolaria@mikrotax project team viewed: 9-9-2024

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=250223 Go to Archive.is to create a permanent copy of this page - citation notes



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