CATALOG OF ORIGINAL DESCRIPTIONS: Sethopilium orthopus 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 -> S -> Sethopilium -> Sethopilium orthopus
Other pages this level: S. cyrtopus, S. heterope, S. macropus, S. orthopus

Sethopilium orthopus

Citation: Sethopilium orthopus Haeckel 1887
Rank: species
Type locality: LM19
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type specimens: pl.97, fig.8
Type repository: No information given
Described on page(s) : p.1202

<% linkedspecs %>

Current identification:

Original Description
Shell smooth, with sharp collar stricture. Relative length of the two joints = 5: 4, breadth = 7: 6. Cephalis large, subspherical, with numerous regular circular pores, twice as broad as the bars. Thorax with three stout, straight, widely divergent ribs, prolonged into three straight pointed feet of the same length. Between every two ribs, in the centre of the collar stricture, a single large triangular mesh, and beyond this three to six rows of smaller irregular meshes.

Size: Cephalis 0.05 long, 0.07 broad; thorax 0.04 long, 0.06 broad.


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


Sethopilium orthopus compiled by the radiolaria@mikrotax project team viewed: 4-3-2021

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