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Current identification:
Original Description
Shell papillate, with slight collar stricture. Length of the three joints = 2: 4: 8, breadth = 3: 6: 9. Cephalis hemispherical, with a stout, conical horn of twice the length. Thorax campanulate, with subregular, circular pores, and small, conical papillæ. Thorax wider, campanulate, with circular pores, and conical papi1læ of three times the size. Peristome with nine widely divergent, little curved, conical feet, about as long as the shell. Similar to Podocyrtis ventricosa, Ehrenberg (1875, loc. cit., Taf. xvi. fig. 3), different mainly in the feet.
Length of the three joints, a 20, b 40, c 80µm ; breadth, a 30, b 60, c 90µm.
Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Alacorys enneacantha under the subgeneric name Ennealacorys, 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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Alacorys enneacantha compiled by the radiolaria@mikrotax project team viewed: 27-2-2021
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