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Current identification:
Original Description
Shell thorny, pear-shaped, without external strictures, but with three internal annular septa. Length of the four joints = 2: 5: 6: 7. The fourth joint is the broadest, being about twice as broad as long, and hemispherical. The small subspherical cephalis bears a stout conical horn of the same length. Pores large, regular, circular.
Length of the shell (with four joints) 0.2, breadth 0.12. Length of the single joints, a 0.02, b 0.05, c 0.06, d 0.07.
Editors' Notes
Haeckel listed Cyrtocapsa pyrum under the subgeneric name Cyrtocapsella, but did not include the subgeneric name in the species name.
Stratigraphic information for LM21 from Riedel, 1959, p.287
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 Riedel, W. R. (1959). Oligocene and Lower Miocene Radiolaria in tropical Pacific sediments. Micropaleontology. 5(3): 285-302. gsReferences:
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Cyrtocapsa pyrum compiled by the radiolaria@mikrotax project team viewed: 12-4-2021
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