Cyrtophormis cylindrica Haeckel 1887.jpg
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Cyrtophormis cylindrica Haeckel 1887.jpg<% linkedspecs %>
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. gsReferences:
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Cyrtophormis cylindrica compiled by the radiolaria@mikrotax project team viewed: 7-3-2021
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