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Cortical shell quadrangular, one and a half times as long as broad, with four rounded corners. Surface thorny, with numerous short radial spines. Sagittal constriction twice as long as the hexagonal medullary shell. Four cupolas kidney-shaped.
Size: Length of the cortical shell 160µm, breadth 110µm; length of the medullary shell 60µm, breadth 40µm.
There was no illustration of this species in Haeckel (1887)
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
Zonarium quadrigatum compiled by the radiolaria@mikrotax project team viewed: 19-4-2021
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=262243 Go to Archive.is to create a permanent copy of this page - citation notes