CATALOG OF ORIGINAL DESCRIPTIONS: Paratympanum decastylum 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 -> P -> Paratympanum -> Paratympanum decastylum
Other pages this level: P. decastylum, P. hexastylum, P. octostylum

Paratympanum decastylum

Citation: Paratympanum decastylum Haeckel 1887
Rank: species
Type locality: LM25
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.1005

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Current identification:

Original Description
Ten divergent columellae, only half as long as the diameter of the decagonal mitral ring, connect it with the larger circular basal ring. Lattice-plate of the mitral ring nearly hemispherical, of the basal ring flat, both with numerous irregular roundish pores and scattered spines. Margin of both rings spiny.

Size: Breadth of the mitral ring 0.08, of the basal ring 0.1.

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


Paratympanum decastylum compiled by the radiolaria@mikrotax project team viewed: 15-5-2021

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