Extended Data Fig. 9: Examples of fossil pollen grains (sample WM18-MRD-210) and biogenic silica remains (sample WM18-LHG-248).
From: Age and context of mid-Pliocene hominin cranium from Woranso-Mille, Ethiopia
a–d, Pollen grains. a, Aerva-type javanica. b, Euclea. c, Acacia. d, Tribulus. e–g, Phytolith bodies. e, A spherical/globular psilate body, probably an indicator of dicot tree/shrub taxa. f, g, Two unidentified phytolith remains. h, A sponge spicule. i–l, Diatom frustules. i, Cyclotella meneghiniana. j, Actinoptychus splendens. k, Denticula valida. l, Cyclotella stylorum. Scale bars, 10 μm.
