CATALOG OF ORIGINAL DESCRIPTIONS: Zonidium octostylium 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 -> Zonidium -> Zonidium octostylium
Other pages this level: Z. octostylium, Z. octotholium

Zonidium octostylium

Citation: Zonidium octostylium Haeckel 1887
Rank: species
Type repository: No information given
Described on page(s) : p.688
Family (traditional): Pyloniidae
Family (modern): Zonaridae

<% linkedspecs %>

Current identification:

Original Description
Cortical shell nearly quadrangular, with rounded corners and thorny surface. Eight long and thin radial spines on both sides of the lateral plane opposite in pairs and lying in two crossed diagonal planes (as in Tetrapyle octacantha). Sagittal constriction three times as long as the lentelliptical medullary shell. Four medial cupolas (on both sides of the sagittal plane) somewhat larger than the four lateral cupolas (on both sides of the equatorial plane).

Length of the cortical shell 150µm, breadth 120µm; length of the medullary shell 50µm, breadth 30µm.

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


Zonidium octostylium compiled by the radiolaria@mikrotax project team viewed: 18-4-2021

Taxon Search:
Advanced Search

Short stable page link: Go to to create a permanent copy of this page - citation notes

Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
Captcha Image
Powered by Commentics