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Table 1 Measurements of sauropod trackway parameters from Changhebian site, Chongqing, China

From: Wide-gauge sauropod trackways from the Early Jurassic of Sichuan, China: oldest sauropod trackways from Asia with special emphasis on a specimen showing a narrow turn

Number CHB- ML (cm) MW (cm) R (°) PL (cm) SL (cm) PA (°) ML/MW WAP/P’ML WAM/M’MW
S1-LP1 33.0 14 62.0 106.0 112 35.5 1.1
S1-LM1 10.0 18.5 29 66.5 111.0 105 0.5 37.5 2.0
S1-RP1 35.0 26.5 −3 66.0 104.0 98 1.3 42.0 1.2
S1-RM1 8.5 18.5 65 73.0 102.0 94 0.5 42.5 2.3
S1-LP2 32.5 20.0 19 72.0 102.5 103 1.6 38.0 1.2
S1-LM2 10.0 17.5 18 66.5 100.0 104 0.6 33.8 1.9
S1-RP2 30.0 23.0 −11 58.5 100.0 103 1.3 40.0 1.3
S1-RM2 9.5 19.0 10 60.0 102.0 101 0.5 36.0 1.9
S1-LP3 31.0 25.0 30 69.0 98.0 92 1.2 41.5 1.3
S1-LM3 8.5 23.5 4 72.0 98.0 86 0.4 46.0 2.0
S1-RP3 28.5 21.0 23 67.0 81.0 83 1.4 42.0 1.5
S1-RM3 10.5 21.5 45 72.0 101.0 89 0.5 46.0 2.1
S1-LP4 34.5 28.5 33 55.0 100.0 106 1.2 43.5 1.3
S1-LM4 8.0 19.0 68 72.0 99.5 99 0.4 36.0 1.9
S1-RP4 37.0 28.0 20 70.0 97.0 96 1.3 50.0 1.4
S1-RM4 10.0 22.0 15 58.5 93.0 90 0.5 40.0 1.8
S1-LP5 34.5 24.5 62 60.0 101.0 106 1.4 43.5 1.3
S1-LM5 13.0 21.0 72.0 0.6
S1-RP5 34.0 21.0 42 66.0 114.0 119 1.6 40.5 1.2
S1-RM5 10.0 20.0 0.5
S1-LP6 31.0 23.5 46 66.5 100.0 108 1.3 43.5 1.4
S1-LM6
S1-RP6 36.5 23.5 36 57.0 95.0 99 1.6 45.0 1.2
S1-RM6
S1-LP7 37.0 24.0 26 68.0 86.5 86 1.5 50.0 1.4
S1-LM7 10.0 20.0 24 92.0   0.5
S1-RP7 27.5 22.0 31 58.0 59.5 59 1.3 57.5 2.1
S1-RM7
S1-LP8 34.0 27.0 53 62.0 107.0 115 1.3 40.0 1.2
S1-LM8 14.0 23.0 124.0 0.6
S1-RP8 46.5 25.5 −9 65.0 123.0 108 1.8 44.5 1.0
S1-RM8
S1-LP9 35.0 29.5 49 86.0 108.5 94 1.2 47.0 1.3
S1-LM9 10.0 22.0 0.5
S1-RP9 43.0 26.0 60.0 1.7
S1-RM9
S1-LP10 32.0 22.0 21 109.0 1.5
S1-LM10
S1-RP10
S1-RM10
S1-LP11 25.0 20.0 41 94.0 116.0 97 1.3 50.0 2.0
S1-LM11
S1-RP11 32.5 18.5 24 58.0 95.5 86 1.8 50.0 1.5
S1-RM11 13.5 21.5 0.6
S1-LP12 32.0 28.0 25 80.0 124.0 114 1.1 44.0 1.4
S1-LM12
S1-RP12 26.5 19.5 21 68.0 104.5 105 1.4 44.0 1.7
S1-RM12
S1-LP13 32.5 28.0 33 64.0 101.0 95 1.2 46.0 1.4
S1-LM13
S1-RP13 40.0 29.0 12 73.0 109.0 96 1.4 49.0 1.2
S1-RM13
S1-LP14 37.0 31.0 22 74.0 100.0 100 1.2 38.0 1.0
S1-LM14 10.0 19.5 110.0 0.5
S1-RP14 36.5 30.0 56.0 1.2
S1-RM14
S1-LP15 37.0 28.0 1.3
S1-LM15 12.5 19.0 0.7
Mean-P 33.9 24.9 |28| 66.7 101.7 99 1.4 44.4 1.4
Mean-M 10.5 20.3 31 68.1 103.0 96 0.5 39.7 2.0
S.d.-P 4.6 3.6 17.8 9.3 13.1 12.7 0.2 5.0 0.3
S.d.-M 1.8 1.8 23.4 5.6 9.1 7.3 0.1 4.7 0.2
S2-LP1
S2-LM1 13.0 23.0 71 71.0 119.0 99 0.6 50.5 2.2
S2-RP1 40.0 27.0 23 68.0 139.0 117 1.5 49.0 1.2
S2-RM1 8.0 25.5 85.5 0.3
S2-LP2 37.0 24.0 26 94.0 140.0 113 1.5 50.0 1.4
S2-LM2 11.0 30.0 64 119.0 0.4
S2-RP2 36.5 27.5 12 73.0 137.0 113 1.3 46.0 1.3
S2-RM2
S2-LP3 34.0 24.5 10 91.0 131.0 99 1.4 54.0 1.6
S2-LM3 11.0 20.0 26 100.0 151.0 103 0.6 61.0 3.1
S2-RP3 29.5 29.0 17 81.0 132.0 103 1.0 50.5 1.7
S2-RM3 13.0 22.5 45 93.5 140.5 102 0.6 56.0 2.5
S2-LP4 33.0 22.5 −20 88.0 124.0 103 1.5 51.0 1.5
S2-LM4 15.0 24.0 −19 87.0 120.0 89 0.6 61.5 2.6
S2-RP4 38.0 29.0 15 70.0 131.0 106 1.3 54.5 1.4
S2-RM4 23.0 27.0 45 84.5 118.0 81 0.9 68.5 2.5
S2-LP5 41.0 31.0 20 93.0 110.0 85 1.3 66.0 1.6
S2-LM5 13.0 21.5 96.0 0.6
S2-RP5 42.5 29.0 52 67.0 90.0 100 1.5 42.0 1.0
S2-RM5 10.0 22.5 34 85.5 0.4
S2-LP6 36.0 30.5 −4 50.0 60.0 54 1.2 54.0 1.5
S2-LM6
S2-RP6 30.5 33.5 37 73.5 69.0 68 0.9 42.0 1.4
S2-RM6 13.0 27.5 32 100.0 67.5 35 0.5
S2-LP7 35.0 28.5 −4 37.0 81.0 41 1.2 37.5 1.1
S2-LM7 8.5 17.5 29 46.0 62.0 16 0.5
S2-RP7 33.5 28.5 16 105.0 135.0 113 1.2 43.0 1.3
S2-RM7 15.0 23.0 20 105.0 146.0 101 0.7 30.0 1.3
S2-LP8 39.0 28.0 13 53.0 104.0 88 1.4 52.5 1.3
S2-LM8 9.5 22.5 −15 84.0 125.5 69 0.4 76.5 3.4
S2-RP8 30.5 30.5 60 91.0 126.0 106 1.0 50.0 1.6
S2-RM8 12.0 29.5 82 128.0 137.0 82 0.4 63.0 2.1
S2-LP9 37.0 27.0 22 66.0 128.0 97 1.4 55.5 1.5
S2-LM9 13.5 28.5 9 71.0 121.0 71 0.5 65.5 2.3
S2-RP9 33.5 25.0 6 102.0 150.0 116 1.3 50.0 1.5
S2-RM9 16.0 28.5 43 123.5 148.5 87 0.6 72.5 2.5
S2-LP10 44.0 27.5 12 74.0 139.0 112 1.6 54.0 1.2
S2-LM10 10.0 20.5 −47 90.0 132.0 79 0.5 76.0 3.7
S2-RP10 33.5 28.0 21 93.0 140.0 110 1.2 55.0 1.6
S2-RM10 14.5 25.5 38 114.5 145.0 90 0.6 66.0 2.6
S2-LP11 33.0 25.5 44 78.0 121.0 109 1.3 48.5 1.5
S2-LM11 11.5 22.0 40 88.0 127.5 91 0.5 60.0 2.7
S2-RP11 34.5 27.5 71.0 1.3
S2-RM11 12.0 30.0 91.0 0.4
S2-LP12 37.5 26.5 1.4
S2-LM12 10.5 21.0 0.5
Mean-P 35.9 27.7 |22| 77.1 119.4 98 1.3 50.3 1.4
Mean-M 12.5 24.4 |39| 92.1 121.5 80 0.5 62.1 2.6
S.d.-P 3.8 2.5 18.9 17.4 25.6 21.0 0.2 6.2 0.2
S.d.-M 3.2 3.6 32.8 19.3 26.6 24.6 0.1 12.2 0.6
  1. ML maximum length, MW maximum, R rotation, PL pace length, SL stride length, PA pace angulation, WAP width of the angulation pattern of the pes (calculated value), WAM width of the angulation pattern of the manus (calculated value), ML/MW, WAP/P’ML and WAM/M’MW ratios are dimensionless, S.d. Standard deviation, “| |” indicating absolute value, “–” indicating missing data