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Tortonella bondartschuki Didkovskiy, 1957
Tortonella bondartschuki Didkovskiy, 1957
Description  Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification.  Van Nostrand, Reinhold Co. New York 1728 pp. Plate 346, Figs. 18-28: M. Miocene (U. Tortonian), Ukraine. 18, Transverse section showing early triloculine stage and later planispiral stage, x 48; 19-21, opposite sides and apertural view of holotype, x 25; 22-28, diagrams showing progressive ontogenetic changes in aperture, as dissected progressively from adult (fig. 22) back to juvenile (fig. 28), showing change from juvenile simple tooth to bifid tooth to ringlike form attached in four places and leaving five openings (from Didkovsky, 1957).

courtesy of Michael Hesemann https://foraminifera.eu Author Le Coze, François JPG file - 72.39 kB - 455 x 567 pixels added on 2023-05-1850 viewsForaminifera taxa Tortonella bondartschuki Didkovskiy, 1957 †checked Le Coze, François 2023-05-18 Creative Commons License This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License
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