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

Cyrtophormis cylindrica

Citation: Cyrtophormis cylindrica 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.77, fig.17
Type repository: No information given
Described on page(s) : p.1461

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Current identification:

Original Description
Shell rough, subcylindrical, with three annular septa. The fourth cylindrical joint is four times as long as the second and the third joints. These three joints are nearly equal in breadth. Pores small and numerous, almost square, in regular, transverse rows; two to three in the first joint, five to six in the second and in the third, fourteen to sixteen in the fourth joint. Cephalis flat, cap-shaped, with a short, pyramidal horn. Peristome half as broad as the shell, hyaline, with a coronal of numerous, very delicate, vertical feet.

Size: Length of the shell (with four joints) 200µm, breadth, 80µm. Length of the single joints, a 20, b 30, c 30, d 120µm.

Editors' Notes
Haeckel listed Cyrtophormis cylindrica 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).[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


Cyrtophormis cylindrica compiled by the radiolaria@mikrotax project team viewed: 21-4-2021

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