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Amphirhopalum ypsilon Haeckel 1887 in Nigrini (1967).jpg
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Amphirhopalum ypsilon Haeckel 1887 in Nigrini (1967).jpg<% linkedspecs %>
Current identification/main database link: Amphirhopalum ypsilon Haeckel 1887
Original Description
Both arms very different. Larger arm simple, egg-shaped, twice as long as broad; smaller arm in the basal half simple, nearly square, in the distal half forked; both branches egg-shaped, blunt. (Resembles Amphicraspedum wyvilleanul Pl. 45, fig. 12, but wants the patagium.)
Radius of the larger simple arm 180µm, breadth 90µm; radius of the smaller forked arm 150µm, breadth of its branches 50µm.
Editors' Notes
[For Amphirrhopalum read Amphirhopalum. For Amphirrhopoma read Amphirhopoma.
Haeckel listed Amphirhopalum ypsilon under the subgeneric name Amphirhopoma, but did not include the subgeneric name the species name.
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 Nigrini, C. A. (1967). Radiolaria in pelagic sediments from the Indian and Atlantic Oceans. Bulletin of the Scripps Institution of Oceanography. 11: 1-125. gsReferences:
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Amphirhopalum ypsilon compiled by the radiolaria@mikrotax project team viewed: 4-3-2021
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