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Table 1 Measurements of theropod tracks PC-TI1-PC-TI18 from Pingchuan tracksite, Gansu Province, Northwest China. PC-TI1-PC-TI14 were from the Pingchuan assemblage A; PC-TI15 was from the Pingchuan assemblage B; PC-TI16-PC-TI18 were from the Pingchuan assemblage C

From: The first theropod tracks from the Middle Jurassic of Gansu, Northwest China: new and rare evidence of quadrupedal progression in theropod dinosaurs

Number ML (cm) MW (cm) II-IV ML/MW M
PC-TI1 19.6 8.1 31° 2.4 0.76
PC-TI2 11.0 7.0 44° 1.6 0.32
PC-TI3 12.6 8.2 46° 1.5 0.43
PC-TI4 11.0 7.4 55° 1.5 0.51
PC-TI5 17.1 10.1 44° 1.7 0.50
PC-TI6 11.4 13.8 104° 0.8 0.40
PC-TI7 12.9 9.0 57° 1.4 0.55
PC-TI8 8.9 12.1 90° 0.7 0.28
PC-TI9 17.0 8.5 35° 2.0 0.51
PC-TI10 12.2 6.7 42° 1.8 0.56
PC-TI11 16.3 8.2 40° 2.0 0.69
PC-TI12 11.5 6.5 38° 1.8 0.42
PC-TI13 14.1 6.6 37° 2.1 0.73
PC-TI14 14.5 10.5 60° 1.4 0.52
PC-TI15 12.0 8.5 53° 1.4 0.42
PC-TI16 > 8.8 7.7 0.54
PC-TI17 > 8.3 7.9 0.39
PC-TI18 > 6.2 6.5 0.43
  1. Notes: ML Maximum pes track length, MW Maximum pes track width (measured as the distance between the tips of digits II and IV), II-IV Angle between digits II and IV, M Mesaxony