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. 2020 Apr 21;928:1–216. doi: 10.3897/zookeys.928.47517

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Nizar Ibrahim, Paul C. Sereno, David M. Varrricchio, David M. Martill, Didier B. Dutheil, David M. Unwin, Lahssen Baidder, Hans C. E. Larsson, Samir Zouhri, Abdelhadi Kaoukaya

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Figure 32. — Schematic paleoenvironmental stages depicting the Kem Kem region during the Cretaceous. Stages: 1 wide rivers 2 large river systems with substantial sandbanks 3 deltaic conditions 4 rise of the limestone platform.