CATALOG OF ORIGINAL DESCRIPTIONS: Cyrtocapsa colatractus 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 colatractus
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 colatractus

Citation: Cyrtocapsa colatractus Haeckel 1887
Rank: species
Type locality: LM25
Type age (chronostrat): [presumably Quaternary though some forms reported from this station appear to be Tertiary]
Type repository: No information given
Described on page(s) : p.1514

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Current identification:


Original Description
Shell smooth, spindle-shaped, with eight internal annular septa (without external stricture). All nine joints are nearly equal in length, the first somewhat shorter, the last longer. The fourth joint is the broadest, four times as broad as long. Last joint inversely conical, blunt. Cephalis subspherical, with a conical horn of the same length. Pores small and numerous, regular, circular.

Size: Length of the shell (with nine joints) 0.22, breadth 0.1; length of the cephalis 0.015, of the last joint, 0.03, of each of the seven other joints, 0.022 to 0.028.

Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Cyrtocapsa colatractus under the subgeneric name Cyrtocapsoma, but did not include the subgeneric name in the species name.[comment from RadWorld database]

References:

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


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

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