CATALOG OF ORIGINAL DESCRIPTIONS: Semantrum signarium 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 -> Semantrum -> Semantrum signarium
Other pages this level: S. buetschlii, S. quadrifore, S. signarium, S. sphragisma, S. tetrapylum, S. tetrastoma

Semantrum signarium

Citation: Semantrum signarium 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.92, fig.4
Type repository: No information given
Described on page(s) : p.960

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Current identification:

Original Description
Sagittal ring obliquely ovate, thorny. Basal ring kidney-shaped or nearly pentagonal, with broad concave dorsal incision and five larger branched spines on the five corners; between them smaller thorns. Jugular gates pear-shaped, scarcely half as broad as the triangular cardinal gates.

Size: Height of the sagittal ring 0.12, breadth 0.09.


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


Semantrum signarium compiled by the radiolaria@mikrotax project team viewed: 7-3-2021

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