CATALOG OF ORIGINAL DESCRIPTIONS: Actinomma boreale Cleve 1899

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 boreale
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, A. entactinia> >>

Actinomma boreale

Citation: Actinomma boreale Cleve 1899
Rank: species
Type specimens: pl.1, figs.5a-c, 5d
Type repository: No information given
Described on page(s) : p.26
Family (traditional): Actinommidae
Family (modern): Actinommidae

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Current identification/main database link: Actinomma boreale Cleve 1899


Original Description
a. Primordial shell. Thick walled, 60µm in diameter, with rounded, regular pores (3-5µm in diameter), two to three times broader than the bars, four on the radius. Spines in variable number, with triangular and forked apophyses half way to the apex. - Pl. I. fig. 5 a.
b. Secundary (Haliomma-)shell. Thick walled, 80µm in diameter, with rounded pores of unequal size (10-20µm in diameter), three to four on the radius. Bars 2-3µm thick. Spines in variable number, stout shorter than the radius, scattered at intervals. - Resembles Haliomma beroes. - Fig.: Pl. I, f. 5 b.
c. Tertiary (Actinomma-) shell. Thin walled, 100-120µm in diameter, with numerous, small (2-7µm in diameter), irregular rounded pores. Bars as broad as the pores. Spines numerous, scattered, half as long as the radius. - Fig.: Pl. I, f. 5 c; d structure.

References:

Cleve, P. T. (1899). Plankton collected by the Swedish expedition to Spitzbergen in 1898. Kongliga Svenska Vetenskaps-Akademiens Handlingar. 32(3): 1-51. gs


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

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