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Brasiliella variabilis Troelsen, 1978
Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 322, Figs. 2-6: U. Cretaceous (Maastrichtian), Northeast Brazil. 2, Side view of holotype, x 170; 3, paratype, x 170; 4, portion of wall broken to show inner layer with radially aligned crystals (inner veneer missing), and outer layer with random arrangement of needles, x 880; 5, inner wall surface with veneer of two-dimensional random array of calcite needles, x 4600; 6, outer surface showing three-dimensional random array of calcite needles, x 4800 (all SEM, from Troelsen, 1978).
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added on 2023-07-1573 viewsForaminifera taxa Brasiliella variabilis Troelsen, 1978 †checked Le Coze, François 2023-07-15
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