CATALOG OF ORIGINAL DESCRIPTIONS: Cyrtocapsa tetrapera 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 -> Cyrtocapsa -> Cyrtocapsa tetrapera
Other pages this level: C. bicornis, C. brevicornis, C. campi, C. chrysalidium, C. colatractus, C. compacta, C. cornuta, C. costata, C. diploconus, C. fusulus, C. gadzhiliensis, C. hexagona, C. hirta, C. inaequispina, C. inflata, C. laevigata, C. lavallei, C. longicornis, C. macropora, C. marinellii, C. miocenica, C. miocenica imperforaticauda, C. miocenica laevicauda, C. osculum, C. poligonalis, C. pyrum, C. rothpletzi, C. strangulata, C. subconica, C. tetrapera

Cyrtocapsa tetrapera

Citation: Cyrtocapsa tetrapera Haeckel 1887
Rank: species
Type specimens: pl.78, fig.5
Type repository: No information given
Described on page(s) : p.1512
Family (traditional): Theoperidae
Family (modern): Eucyrtidiidae

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Current identification:

Original Description
Shell rough, pear-shaped, with three deep strictures. The three first joints are of equal lengths, and each half as long as the hemispherical fourth joint. Cephalis subspherical, with an oblique conical horn of the same length. The third joint is the broadest, three times as broad as long. Pores regular, circular.

Length of the shell (with four joints) 150µm, breadth 90µm; length of each of the three first joints 30µm, of the last 60µm.

Editors' Notes
Haeckel listed Cyrtocapsa tetrapera under the subgeneric name Cyrtocapsella, but did not include the subgeneric name 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


Cyrtocapsa tetrapera compiled by the radiolaria@mikrotax project team viewed: 12-4-2021

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