CATALOG OF ORIGINAL DESCRIPTIONS: Sethostaurus cruciatus 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 -> Sethostaurus -> Sethostaurus cruciatus
Other pages this level: S. conostaurus, S. coronatus, S. cruciatus, S. gigas, S. orthostaurus, S. parvulus, S. recurvatus, S. rhombostaurus

Sethostaurus cruciatus

Citation: Sethostaurus cruciatus 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.31, fig.5
Type repository: No information given
Described on page(s) : p.434

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Current identification:

Original Description
Disk with smooth surface, three times as broad as the medullary shell. Pores regular, circular; eleven to twelve on the radius. Margin with a solid, radially striped girdle, which bears on the periphery forty to fifty triangular pointed teeth of unequal length. Four crossed spines of equal size and similar form, pyramidal, sulcated, about as long as the radius of the disk, as broad at the base as the girdle.

Size: Diameter of the disk 0.2, of the medullary shell 0.06; length of the crossed spines 0.1, basal breadth 0.02.

Editors' Notes
Haeckel listed Sethostaurus cruciatus under the subgeneric name Heliostaurus, but did not include the subgeneric name in the species name.[comment from RadWorld database]


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


Sethostaurus cruciatus compiled by the radiolaria@mikrotax project team viewed: 25-2-2021

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