CATALOG OF ORIGINAL DESCRIPTIONS: Actinomma arcadophorum 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 -> Actinomma -> Actinomma arcadophorum
Other pages this level: A. aculata, A. aculeatum, A. acusosum, A. aequale, A. anomalum, A. antarctica, A. anthomma, A. appenninicum, A. arcadophorum, A. boreale, A. brevispiculum, A. campilacantha, A. capillaceum, A. castanomma, A. cocles, A. comitatum, A. daturaeformis, A. denticulatum, A. dodecomma, A. doratos, A. echinoideum, A. elaborata, A. eldredgei, A. ellipticum> >>

Actinomma arcadophorum

Citation: Actinomma arcadophorum Haeckel 1887
Rank: species
Type specimens: pl.29, figs.7-8
Type repository: No information given
Described on page(s) : p.255
Family (traditional): Actinommidae
Family (modern): Rhizosphaeridae

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Current identification/main database link: Actinomma arcadophorum Haeckel 1887


Original Description
Cortical shell very thin walled, with irregular, polygonal meshes, ten to twenty times as broad as the bars; twelve to sixteen on the radius. Both medullary shells with similar delicate network. Radial proportion of the three spheres= l: 2 : 6; numerous thin radial beams (forty to eighty or more) connect both medullary shells and alternate with other beams, which arise from arcade-shaped protuberances of the outer medullary shell, and connect it with the cortical shell. Outer prolongations of these form the bristle-shaped spines of the surface.

Diameter of the outer shell 220µm, middle 90µm, inner 40µm; cortical pores 10 to 20µm, bars 1 to 2µm; length of the radial spines 200µm.

Editors' Notes
Haeckel listed Actinomma arcadophorum under the subgeneric name Actinommura, 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 year 1873-1876, Zoology. 18: 1-1803. gs


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Actinomma arcadophorum compiled by the radiolaria@mikrotax project team viewed: 1-3-2021

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