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

Sethopilium macropus

Citation: Sethopilium macropus 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.97, fig.9
Type repository: No information given
Described on page(s) : p.1203

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Current identification/main database link: Archipilium macropus (Haeckel) Petrushevskaya and Kozlova 1972

Original Description
Shell smooth, with slight collar stricture. Relative length of the two joints = 4: 7, breadth = 6: 13. Cephalis hemispherical, with irregular double-contoured pores, about as broad as the bars. Thorax with three very stout, curved, widely divergent ribs, prolonged into three curved, cylindrical, very long feet, which are three to four times as long as the shell, and convex on the outside. Between every two ribs, beyond the collar stricture, two large broad meshes, and beyond this two or three rows of smaller meshes.

Size: Cephalis 0.04 long, 0.06 broad; thorax 0.07 long, 0.13 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 macropus compiled by the radiolaria@mikrotax project team viewed: 25-2-2021

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