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Shell nut-shaped, thorny, with sharp sagittal stricture and subcircular ring. Basal plate with three pairs of large pores. Facial and occipital plates each with three pairs of large squarish pores. Lateral pores small and numerous, irregular roundish. Apical horn half as long as the shell and the three feet; all four spines straight, cylindrical, with thickened club-shaped end.
Size: Shell 0.12 long, 0.13 broad; horn 0.06 long, feet 0.15.
There was no illustration of this species in Haeckel (1887)
Haeckel listed Tripospyris semantidium under the subgeneric name Tripospyromma, but did not include the subgeneric name in the species name.[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. gs
Tripospyris semantidium compiled by the radiolaria@mikrotax project team viewed: 14-4-2021
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=261027 Go to Archive.is to create a permanent copy of this page - citation notes