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Fig. 8 | Swiss Journal of Palaeontology

Fig. 8

From: Multiple Orbitoides d’Orbigny lineages in the Maastrichtian? Data from the Central Sakarya Basin (Turkey) and Arabian Platform successions (Southeastern Turkey and Oman)

Fig. 8

Line drawings of the embryonic-nepionic stages of Orbitoides from the Campanian (a) and Maastrichtian type sections (redrawn from van Hinte 1966b) (b) and from the upper Maastrichtian of the Haymana Basin (redrawn from Özcan and Özkan-Altıner 1997) (c). A stratigraphic column of the Campanian type section and positions of samples (abbreviated as FR) are given in van Hinte (1966b). Note the occurrence of specimens with ‘O. medius’ type embryonic apparatus associating with O. apiculatus in the upper Maastrichtian of the Haymana Basin (Central Turkey)

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