CATALOG OF ORIGINAL DESCRIPTIONS: Tympaniscus tripodiscus 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 -> Tympaniscus -> Tympaniscus tripodiscus
Other pages this level: T. bipes, T. corona, T. dipodiscus, T. dodecaster, T. quadrupes, T. tripodiscus

Tympaniscus tripodiscus

Citation: Tympaniscus tripodiscus Haeckel 1887
Rank: species
Type locality: LM17
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type specimens: pl.94, fig.7
Type repository: No information given
Described on page(s) : p.1002

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Current identification:

Original Description
Basal ring of about the same size as the mitral ring, with three large and stout divergent feet (two lateral and one caudal). Sagittal ring stout, broader than the two spiny subsagittal rings; the upper part of the latter bears two ascending arches, which are united with the large apical horn arising from the apex of the sagittal ring. Six columellae nearly vertical, slightly curved on the outside; their lateral edges armed with numerous simple or forked spines.

Size: Breadth of the shell 0.1, total length 0.12.


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


Tympaniscus tripodiscus compiled by the radiolaria@mikrotax project team viewed: 15-5-2021

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