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

Tympaniscus quadrupes

Citation: Tympaniscus quadrupes Haeckel 1887
Rank: species
Type locality: LM40
Type age (chronostrat): [presumably Quaternary]
Type specimens: pl.94, fig.4
Type repository: No information given
Described on page(s) : p.1002

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Current identification:

Original Description
Basal ring larger than the mitral ring, with four short vertical three-sided pyramidal feet of equal size (two lateral and two sagittal); the feet are three-sided pyramidal, with finely denticulate median edges, and bear at the base a horizontal thorny spur. Sagittal ring at the apex with a very large cross-shaped horn, bearing two horizontal thorny lateral branches; the horn is supported by an anterior and a posterior arch. Six columellae strongly curved and dentate.

Size: Breadth of the shell 0.15, 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 quadrupes compiled by the radiolaria@mikrotax project team viewed: 15-5-2021

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