CATALOG OF ORIGINAL DESCRIPTIONS: Sethostylus spicatus 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 -> Sethostylus -> Sethostylus spicatus
Other pages this level: S. acutus, S. dentatus, S. dicylindrus, S. distyliscus, S. hastatus, S. logchophorus, S. serratus, S. spicatus

Sethostylus spicatus

Citation: Sethostylus spicatus Haeckel 1887
Rank: species
Type repository: No information given
Described on page(s) : p.430
Family (traditional): Coccodiscidae

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Current identification:

Original Description
Disk with spiny surface, four times as broad as the medullary shell. Pores irregular roundish, with many unequal conical spines between them. Margin with an equatorial girdle, composed of three to four concentric series of conical radial spines, about as long as the radius of the medullary shell. Both main spines very large, cylindrical, longer than the diameter of the disk, and as broad as the radius of the medullary shell.

Diameter of the disk 0.2, of the medullary shell 0.05; length of the main spines 0.3 or more, breadth 0.025.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Sethostylus spicatus under the subgeneric name Heliostylus, but did not include the subgeneric name in the species name.


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


Sethostylus spicatus compiled by the radiolaria@mikrotax project team viewed: 7-3-2021

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