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Current identification:
Original Description
Cortical shell generally thick-walled, with dense, circular, hexagonally framed pores and six long, gently tapering conical spines corresponding to the internal dimensive beams. Small accessory spines are also present on many specimens, some of them corresponding to the diagonal beams. Medullary shell separated from the cortical by a wide empty space and formed of two complete systems, the third, when present, being incomplete and rather irregular. Inside the cortical shell the dimensive beams are much thicker than the others.
Size: Maximum diameter of medullary shell 70-75µm, diameter of cortical shell 155-175µm, length of spines 190-200µm.
Dumitrica, P. (1989). Internal skeletal structure of the superfamily Pyloniacea (Radiolaria), a basis of a new systematics. Revista Española de Micropaleontología. 21(2): 207-264. gsReferences:
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Cryptolarnacium hexastylus compiled by the radiolaria@mikrotax project team viewed: 24-2-2021
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