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

Sethopilium cyrtopus

Citation: Sethopilium cyrtopus Haeckel 1887
Rank: species
Type repository: No information given
Described on page(s) : p.1202
Family (traditional): not-known

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Current identification:

Original Description
Shell smooth, with sharp collar stricture. Relative length of the two joints = 4:5, breadth = 7 :11. Cephalis hemispherical, with large irregular roundish pores, four times as broad as the bars. Thorax with three stout, curved, widely divergent ribs, prolonged into three cylindro-conical, curved feet of twice the length, which are convex in the proximal half, concave in the distal half. Between every two ribs, beyond the collar stricture, two large ovate meshes, and beyond this two rows of smaller irregular meshes.

Cephalis 0.04 long, 0.07 broad; thorax 0.05 long, 0.11 broad.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Stratigraphic information for LM21 from Riedel, 1959, p.287


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

Riedel, W. R. (1959). Oligocene and Lower Miocene Radiolaria in tropical Pacific sediments. Micropaleontology. 5(3): 285-302. gs


Sethopilium cyrtopus compiled by the radiolaria@mikrotax project team viewed: 7-3-2021

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