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Swiss Journal of Palaeontology
Fig. 20 | Swiss Journal of Palaeontology

Fig. 20

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. 20

Axial (a–g) and equatorial (h–l) sections of Orbitoides ‘medius’ from the Besni Formation in SE Turkey. Note the biconvex test with numerous cycles of lateral chamberlets and thick polar piles, and a thick equatorial layer. a TC7-47. b TC7-48. c TC7-43. d TC7-50. e TC7-44. f TC13-48. g TC13-47. h TC13-40. i TC8-78, j TC8-79. k TC13-43. l TC8-81

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