Fig. 2: Late Miocene fossil leaves, wood, and palynomorphs from the Pisco Formation.

A Wood fragment with Teredolites. B Silicified wood anatomy of Neltuma (ex Prosopis). B1 Cross-sectional view showing axial parenchyma vasicentric and confluent with sclerotic tyloses (arrows). B2 Radial longitudinal section with procumbent cells and sclerotic tyloses. B3 Tangential longitudinal section with 4 to 10 seriate and short vessel element length. B4 Alternate and small intervessel pits. C–P Selected macrofossil plant remains. C Undetermined leaves as found in the field. D Poaceae flower. E Poaceae. F–F1 Arecaceae. F1 closeup of (F). G Rosaceae (Sanguisorbeae, possibly Polylepis). H Salicaceae (Salix cf. humboldtiana). I–L Undetermined leaves. M Myrtaceae. N-N1 Capparaceae (Capparis). N1 closeup of (N). O–Z Selected Late Miocene palynomorphs. Scale bars for palynomorphs is 10 μm. O, P Polylepis-Acaena. Q Bombacidites sp.1, Malvaceae. R Bombacidites sp.2, Malvaceae. S Malvacipolloides maristellae; Malvaceae. T Echiperiporites germeraadii. U Caesalpinoid (Fabaceae). V Polygalaceae. W Araceae. X Ceratopteris sp. Y cf. Huperzia. Z Granulatisporis sp.