Extended Data Fig. 2: Phytolith morphotypes extracted from the pig dental residues at Dadiwan.
From: Sustainable intensification of millet–pig agriculture in Neolithic North China
a-d, η/Ω type phytoliths from millet husks. e, Bilobate. f, Cross. g, Cylindrical polylobate. h, Short saddle. i, Long saddle. j, Bulliform. k, Reed bulliform. l, Wavy-trapezoid. m, Wavy-narrow-trapezoid. n, Hat. o, Tower. p, Smooth elongate. q, Sinuate elongate. r, Square. s, Rectangle. t, Point. Scale bars: 20 μm.
