CATALOG OF ORIGINAL DESCRIPTIONS: Zonarium octangulum 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 -> Z -> Zonarium -> Zonarium octangulum
Other pages this level: Z. octangulum, Z. quadrigatum, Z. quadrispinum, Z. tetratholium

Zonarium octangulum

Citation: Zonarium octangulum Haeckel 1887
Rank: species
Type locality: LM25
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type specimens: pl.50, fig.9
Type repository: No information given
Described on page(s) : p.685

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Current identification:

Original Description
Cortical shell octangular, one and a fourth times as long as broad, with eight strong conical spines on the eight corners; these are separated by four deep constrictions on the poles of the principal and transverse axes, and by four truncated planes on the poles of the crossed diagonal axes between the former. Sagittal constriction twice as long as the hexagonal medullary shell. Four cupolas kidney-shaped or nearly pentagonal.

Size: Length of the cortical shell 0.15, breadth 0.12; length of the medullary shell 0.07, breadth 0.04.


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


Zonarium octangulum compiled by the radiolaria@mikrotax project team viewed: 19-4-2021

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