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Current identification:
Original Description
Gate ovate. Ring half ovate or nearly triangular, with three curved edges and three prominent corners, one apical and two basal protuberances. Dorsal rod vertical, twice as long as the horizontal basal rod. Ventral rod convexly curved.
Diameter of the gate 0.05 to 0.07; height of the tubercies 0.01 to 0.015.
Editors' Notes
There was no illustration of this species in Haeckel (1887)
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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Zygocircus sagittalis compiled by the radiolaria@mikrotax project team viewed: 14-4-2021
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