Fig. 6From: Neogene Eastern Amazon carbonate platform and the palaeoenvironmental interpretationPalynological specimens. 1 Retibrevitricolporites sp. 02. Proximal view, 2 Retibrevitricolporites sp. 02. Distal view, 3 Zonocostites ramonae Germeraad et al. (1968). Type 1, 4 Zonocostites ramonae Germeraad et al. (1968). Type 2, 5 Zonocostites minor Jaramillo and Dilcher (2001). Distal view, 6 Zonocostites minor Jaramillo and Dilcher (2001). Proximal view, 7 Retistephanocolporites sp. 01. Distal view, 8 Retistephanocolporites sp. 01. Proximal view. Scale bar 20 μmBack to article page