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Current identification:
Original Description
Shell thick walled, with irregular polygonal meshes, twice to four times as broad as the bars; twelve to sixteen on the radius. Sixty to eighty radial spines, pyramidal, half as long as the radius of the shell, one-fourth as broad at the base.
Diameter of the shell 200µm to 220µm, pores 6 to 12µm, bars 3µm; length of the spines 50µm, basal breadth 20µm.
Etymology: Latin brevis + spina -ae = short spine
Editors' Notes
There was no illustration of this species in Haeckel (1887)
Haeckel listed Acanthosphaera brevispina under the subgeneric name Rhaphidosphaera,, 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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Acanthosphaera brevispina compiled by the radiolaria@mikrotax project team viewed: 16-4-2021
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=250018 Go to Archive.is to create a permanent copy of this page - citation notes |