Copy of plate 3 from the paper “Uber den Grunsand und seine Erlauterung des organischen lebens”, by Christian Gottfried Ehrenberg, Abhandlungen der Koniglichen Akademie der Wissenschaften zu Berlin 1855 (Berlin 1856) pp.85-176. Supporting text indicates that this shows specimens of the fossil foraminifera [single-celled marine organisms with shells ] Nonionina bavarica, Rotalia, Amphistegina javanica and Heterostegina clathrata.
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