radiolaria - rads_cat - Cyrtophormis corona radiolaria - rads_cat - Cyrtophormis corona

CATALOG OF ORIGINAL DESCRIPTIONS: Cyrtophormis corona 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 -> C -> Cyrtophormis -> Cyrtophormis corona
Other pages this level: C. aculeata, C. aerostatica, C. armata, C. cingulata, C. cornuta, C. corona, C. cylindrica, C. gargantua, C. grandis, C. ovata, C. petrushevskayae, C. pila, C. spiralis, C. tabulata, C. turricula, C. turrita

Cyrtophormis corona

Citation: Cyrtophormis corona Haeckel 1887
taxonomic rank: species
Described on page(s) : p.1462
Type specimens: pl.77, fig.15
Type repository: No information given
Family (traditional): Artostrobiidae
Family (modern): Artostrobiidae

Current identification/main database link: Siphostichartus corona (Haeckel) Nigrini 1977

Original Description

Shell smooth, conical, ovate, with three deep strictures, about twice as long as broad. The fourth joint is the broadest, inflated, and three times as long as the second and the third joints. Pores small and numerous, circular, in regular, transverse rows; two in the first joint, four in the second and third, and ten in the fourth joint. Cephalis hemispherical, with a stout, pyramidal horn. Peristome two-thirds as broad as the fourth joint, with twelve to fifteen triangular, convergent teeth.

Length of the shell (with four joints) 160µm, breadth 80µm. Length of the single joints, a 10, b 30, c 30, d 90µm.

Editors' Notes
Haeckel listed Cyrtophormis corona under the subgeneric name Acanthocyrtis, but did not include the subgeneric name in the species name. This species is assigned to Acanthocyrtis (the junior homonym) Haeckel, 1887a (non Haeckel, 1881a).]


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 years 1873-1876. 18: 1-1803. gs O


Cyrtophormis corona compiled by the radiolaria@mikrotax project team viewed: 1-3-2024

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