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Current identification:
Original Description
Shell thorny, of the same form as, and similar structure to, the preceding species, but differing in the spiny surface and the smaller subglobular cephalis, which bears small circular pores and an oblique conical horn twice the length. The whole surface is covered with short conical thorns.
Cephalis 0.02 diameter; thorax (with twenty transverse rings) 0.25 long, 0.1 broad.
Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Sethopyramis hexalactis under the subgeneric name Sestropyramis, 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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Sethopyramis hexalactis compiled by the radiolaria@mikrotax project team viewed: 4-3-2021
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=252392 Go to Archive.is to create a permanent copy of this page - citation notes |