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

Paratympanum hexastylum

Citation: Paratympanum hexastylum Haeckel 1887
Rank: species
Type locality: LM19
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
Six divergent columellae about as long as the diameter of the hexagonal mitral ring, connect it with the larger hexagonal basal ring. Lattice of the mitral ring hemispherical, with six roundish pores, surrounding a central apical horn. Lattice of the basal ring with one large central pore, surrounded by numerous peripheral pores. Rings and rods smooth, without spines.

Size: Length of the shell 0.07; breadth of the mitral ring 0.06, of the basal ring 0.09.

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 hexastylum compiled by the radiolaria@mikrotax project team viewed: 20-6-2021

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