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Current identification:
Original Description
Shell thick-walled, pear-shaped, with slight collar stricture. Length of the two joints 1:6, breadth 1:4. Cephalis hemispherical, with a small horn of half the length and unequal small pores. Thorax inflated, with circular, regular pores, quincuncially arranged and as broad as the bars. On the nodal points short spines arise. Mouth flat, half as broad as the thorax.
Cephalis 12µm long, 20µm broad. Thorax 72µm long and 80µm broad.
Very rare.
Cleve, P. T. (1900). Notes on some Atlantic plankton-organisms. Vetenskaps-Akademiens Handlingar, Kongliga Svenska Stockholm. 34(1): 1-22. gsReferences:
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Sethocyrtis pyrum compiled by the radiolaria@mikrotax project team viewed: 4-3-2021
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=252373 Go to Archive.is to create a permanent copy of this page - citation notes |