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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]
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. gsReferences:
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Cyrtocapsa colatractus compiled by the radiolaria@mikrotax project team viewed: 28-2-2021
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=261631 Go to Archive.is to create a permanent copy of this page - citation notes |