CATALOG OF ORIGINAL DESCRIPTIONS: Triodiscus trigonus 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 -> T -> Triodiscus -> Triodiscus trigonus
Other pages this level: T. lenticula, T. spinosus, T. trigonus, T. variabilis

Triodiscus trigonus

Citation: Triodiscus trigonus Haeckel 1887
Rank: species
Type locality: LM28
Type age (chronostrat): [presumably Quaternary, though some forms reported from this station appear to be Tertiary]
Type repository: No information given
Described on page(s) : p.567

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Current identification:

Original Description
Disk triangular, four times as broad as the central chamber. Three arm-chambers at the base half as broad, at the distal end twice as broad as the roundish gates. Surface smooth. On the three corners of the margin (in the arm-radius) three strong spines.

Size: Diameter of the disk 40µm, of the gates 15µm.

Extra details from original publication
Distinguishing features: Differs from Triopyle trigona only in the loose framework closing the gates.

Editors' Notes
There was no illustration of this species in Haeckel (1887)


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


Triodiscus trigonus compiled by the radiolaria@mikrotax project team viewed: 15-4-2021

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