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Disolenia quadrata
(Ehrenberg, 1872)
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Description - Add description
Shell smooth, thin-walled, subspherical, with numerous small irregular pores having no definite arrangement. Pored tubules, 3-8 (usually 5), approximately as long as broad or longer, 0.2-0.3 shell diameter. Tubules cylindrial or subcylindrical, sometimes slightly expanded distally; outer apertures truncated, smooth.
Dimenions: Diameter of shell 63-90µm. Maximum length of tubules 18-36µm; their maximum breadth 18-27µm. | | Nigrini 1967 |
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