CATALOG OF ORIGINAL DESCRIPTIONS: Amphibrachium armatum 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 -> Amphibrachium -> Amphibrachium armatum
Other pages this level: A. amphilonche, A. anomalum, A. armatum, A. californicum, A. capitatum, A. clavula, A. dilatatum, A. gracilis, A. indicum, A. lanceolatum, A. monstrosum, A. mugodscharicum, A. mugodscharicum acerosum, A. mugodscharicum carinatum, A. paleogenicum, A. planum, A. robustum, A. sponguroides

Amphibrachium armatum

Citation: Amphibrachium armatum Haeckel 1887
Rank: species
Type repository: No information given
Described on page(s) : p.518
Family (traditional): not-known

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Current identification:

Original Description
Both arms equal, four times as long as broad, in the thickened distal part twice as broad as at the base, thorny, with twenty to thirty larger spines on the distal end, and a very large pyramidal spine in the longitudinal axis. (The form of the arms like that of the odd arm in Euchitonia carcinus, Pl. 43, fig. 10.)

Radius of each arm 240µm, basal breadth 30µm, distal breadth 60µm.

Etymology: Latin armatus -a -um = armed

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Amphibrachium armatum under the subgeneric name Amphibrachidium, 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


Amphibrachium armatum compiled by the radiolaria@mikrotax project team viewed: 1-3-2021

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