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TABLE 1. Measurements, identifications, and estimated total lengths of specimens used in this study. “~” denotes estimated measurement. Tooth position after Shimada et al. (2003); A=anterior; L=lateral; upper case denotes upper tooth, lower case denotes lower tooth. AF = Ashley Formation; CB = Chandler Bridge Formation.

Specimen CW(mm) CH(mm) Tooth Position TL(m) Age class Formation
CCNHM 5173 43 ~40 L2-L3 5.62 juvenile AF, McKewn
CCNHM 5175 31 ? ? ? juvenile? AF, McKewn
CCNHM 5187 35 43 A1-A3, a1-a3 6.10 juvenile AF, McKewn
CCNHM 6081 70 70-80 ? ? adult? AF, McKewn
CCNHM 6082 27 ~22 l1 3.93 juvenile AF, McKewn
CCNHM 6083 25.4 ? ? ? juvenile? AF, McKewn
CCNHM 6084 ~36 ? ? ? juvenile? AF, McKewn
CCNHM 6085 28 ~34 A1-A3, a1-a3 4.83 juvenile AF, McKewn
CCNHM 6087 18 ~23 L1-L3, l1-l3 4.07 juvenile AF, McKewn
CCNHM 6086 33 29 L1 4.24 juvenile CB, McKewn
CCNHM 5151 ~42 45 a2 6.04 juvenile CB, McKewn
CCNHM 5152 35 41 a1 6.62 juvenile CB, McKewn
CCNHM 5153 ~41 ~40 A2-A3,a2-a3 5.9 juvenile CB, McKewn
CCNHM 5154 35 ~29 A3 4.76 juvenile CB, McKewn
CCNHM 5155 ~44 ~34 L1 4.88 juvenile CB, McKewn
CCNHM 5156 ~26 38 A2-A3,a2-a3 5.61 juvenile CB, McKewn
CCNHM 5157 39 26 L4-L5 5.72 juvenile CB, McKewn
CCNHM 5158 40 38 L2 5.15 juvenile CB, McKewn
CCNHM 5159 ~32 ~20 a2-l2 3.37 juvenile CB, McKewn
CCNHM 1560 23 15 L5 3.9 juvenile CB, McKewn
CCNHM 1563 29 ~29 A1-A3, a1-a3 4.12 juvenile CB, McKewn
CCNHM 1564 ~40 ~38 L2-L4 5.82 juvenile CB, McKewn
CCNHM 1566 ~42 39 L2 5.29 juvenile CB, McKewn
CCNHM 1567 40 47 A1 5.47 juvenile CB, McKewn
CCNHM 5168 ~30 ~33 A1-A3, a1-a3 4.69 juvenile CB, McKewn
CCNHM 5169 ~15 ~25 a1-l1 3.93 juvenile CB, McKewn
CCNHM 5170 ~40 ~39 A1-A3, a1-a3 5.55 juvenile CB, McKewn
CCNHM 5171 ~34 ~31 a1-l1 4.88 juvenile CB, McKewn
CCNHM 1572 ~22 ~34 A1-A3, a1-a3 4.84 juvenile CB, McKewn
CCNHM 5174 ~18 10 L4 1.82 neonate CB, McKewn
CCNHM 1576 35 30 L4 5.35 juvenile CB, McKewn
CCNHM 5177 35 33 A2 3.97 juvenile CB, McKewn
CCNHM 5178 ~38 ~40 a1-a2 5.62 juvenile CB, McKewn
CCNHM 5179 33 29 L1 4.17 juvenile CB, McKewn
CCNHM 5180 ~40 34 a1 4.98 juvenile CB, McKewn
CCNHM 5181 38 22 L2 3 juvenile CB, McKewn
CCNHM 5182 ~28 23 L1 3.32 juvenile CB, McKewn
CCNHM 5183 25 26 l1-l2 4.82 juvenile CB, McKewn
CCNHM 5184 ~30 ~25 L1 3.61 juvenile CB, McKewn
CCNHM 5185 ~28 ~19 L5 4.96 juvenile CB, McKewn
CCNHM 5186 ~30 ~29 a1 4.24 juvenile CB, McKewn
CHM PV 541 47 48 A1-a1 6.33 juvenile CB, excavation
CHM PV 21 46 ~41 L1-l1 6.56 juvenile CB, excavation
CHM PV 22 ~33 ~35 A2-a2 4.45 juvenile CB, excavation
CHM PV 23 34 30 L1 4.32 juvenile CB, excavation
CHM PV 24 42 ~35 L1-L3 4.96 juvenile CB, excavation
CHM PV 25 31 24 l1-l2 4.45 juvenile CB, excavation
CHM PV 26 37 ~30 L1 4.32 juvenile CB, excavation
CHM PV 27 33 28 a1-a3 4.22 juvenile CB, excavation
CHM PV 28 39 15 A1-a1 1.97 neonate CB, excavation
CHM PV 281 46 40 L1-L3, l1-l3 7.02 adult CB, excavation
CHM PV 29 41.2 31.1 L3-l3 6.02 juvenile CB, excavation
CHM PV 297 26.4 22.2 L1-L3, l1-l3 3.94 juvenile CB, excavation
CHM PV 298 ~32 ~41 A1-a1 5.4 juvenile CB, excavation
CHM PV 30 35 41 A1-a1 5.4 juvenile CB, excavation
CHM PV 31 33 ~42 A1-a1 5.53 juvenile CB, excavation
CHM PV 32 28 26 A1-A3, a1-a3 3.7 juvenile CB, excavation
CHM PV 33 ~35 ~36 A1-A3, a1-a3 5.12 juvenile CB, excavation
CHM PV 34 36 34 a1 4.98 juvenile CB, excavation
CHM PV 35 40 ~37 L1 5.31 juvenile CB, excavation
CHM PV 36 32 ~38 a1 5.58 juvenile CB, excavation
CHM PV 37 34 ~40 a1 5.88 juvenile CB, excavation
CHM PV 38 33 27 L1-L3, l1-l3 4.77 juvenile CB, excavation
CHM PV 39 42 ~26 L3-l3 5.01 juvenile CB, excavation
CHM PV 40 ~27 24 l1-l2 4.45 juvenile CB, excavation
CHM PV 41 ~30 ~32 A1-a1 4.21 juvenile CB, excavation
CHM PV 42 36 ~37 A1-A3, a1-a3 5.26 juvenile CB, excavation
CHM PV 43 37 ~33 L1-L2, l1-l2 5.36 juvenile CB, excavation
CHM PV 44 36 ~40 A1-A3, a1-a3 5.69 juvenile CB, excavation
CHM PV 45 44 35 L3 5.1 juvenile CB, excavation
CHM PV 46 29 ~27 L1-l1 4.35 juvenile CB, excavation
CHM PV 47 31 ~24 L1-L2, l1-l2 3.91 juvenile CB, excavation
CHM PV 48 ~34 27.8 L2-L4 4.27 juvenile CB, excavation
CHM PV 49 45 ~33 L1-L2 4.61 juvenile CB, excavation
CHM PV 50 34.9 ~29 L1-L3, l1-l3 5.11 juvenile CB, excavation
CHM PV 51 34 32 L1 4.6 juvenile CB, excavation
CHM PV 52 34 ~31 L1-L3 4.4 juvenile CB, excavation
CHM PV 53 ~34 ~30 L2-L3 4.22 juvenile CB, excavation
CHM PV 54 ~33 ~31 A3-a3 5.21 juvenile CB, excavation
CHM PV 540 83.6 74.5 A2-A3,a2-a3 10.88 adult CB, excavation
CHM PV 55 44 ~32 L1-L2 4.47 juvenile CB, excavation
CHM PV 56 ~44 ~32 a3 5.53 juvenile CB, excavation
CHM PV 564 38.2 32.3 L1-L3 4.58 juvenile CB, excavation
CHM PV 57 ~27 ~20 L4-l4 5.06 juvenile CB, excavation
CHM PV 58 ~35 32 L1-L2, l1-l2 5.2 juvenile CB, excavation
CHM PV 59 35 ~30 L3 4.37 juvenile CB, excavation
CHM PV 60 30 29 A1-a1 3.82 juvenile CB, excavation
CHM PV 61 ~30 29 a1 4.24 juvenile CB, excavation
CHM PV 62 ~32 24 L1-L3 3.41 juvenile CB, excavation
CHM PV 63 36 ~40 a1-a3 6.06 juvenile CB, excavation
CHM PV 64 ~48 33 l1 5.89 juvenile CB, excavation
CHM PV 65 ~34 41 a1 6.03 juvenile CB, excavation
CHM PV 66 ~42 ~34 l2 6.54 juvenile CB, excavation
CHM PV 67 25 21 l4 6.88 adult CB, excavation
CHM PV 68 38 ~30 L1-L3 4.25 juvenile CB, excavation
CHM PV 69 ~48 34.4 a1 5.04 juvenile CB, excavation
CHM PV 70 25.1 26.8 A3 4.41 juvenile CB, excavation
CHM PV 71 ~27 ~25 L1-l1 4.03 juvenile CB, excavation
CHM PV 72 ~27 ~31 L4-L5 6.83 adult CB, excavation
CHM PV 73 ~33 ~30 a1-a2 4.2 juvenile CB, excavation
CHM PV 75 30.6 31.3 L2-L4 4.8 juvenile CB, excavation
CHM PV 76 29.8 ~25 L1-l1 4.03 juvenile CB, excavation
CHM PV 77 29 20 L4-L5 4.4 juvenile CB, excavation
CHM PV 78 ~35 35 A1-a1 4.61 juvenile CB, excavation
CHM PV 79 ~34 26 L1-L2 3.64 juvenile CB, excavation
CHM PV 80 39 35.5 L1-L3, l1-l3 6.24 juvenile CB, excavation
CHM PV 81 24.2 ~23 L1-L3, l1-l3 4.07 juvenile CB, excavation
CHM PV 82 ~26 22.3 L1-L3, l1-l3 3.95 juvenile CB, excavation
CHM PV 83 ~27 15 L1-L3 2.15 neonate CB, excavation
CHM PV 84 ~20 18.1 L1-L2, l1-l2 2.96 juvenile CB, excavation
CHM PV 86 27 ~24 A1-A3, a1-a3 3.41 juvenile CB, excavation
CHM PV 87 30 ~30 A2-A3, a2-a3 4.42 juvenile CB, excavation
CHM PV 88 ~16 ~13 l2 2.51 neonate CB, excavation
CHM PV 89 ~25 ~17 L1-L3, l1-l3 3.03 juvenile CB, excavation
CHM PV 90 26.2 ~20 L1-L3, l1-l3 3.55 juvenile CB, excavation
CHM PV 91 ~37 ~28 L1-L2 3.92 juvenile CB, excavation
CHM PV 9835 31.8 28.2 L1-l1 4.54 juvenile CB, excavation
CHM PV 9836 24.9 21.6 L1-L3 3.07 juvenile CB, excavation
CHM PV 9837 34.7 ~31 L1-L3, l1-l3 5.46 juvenile CB, excavation
CHM PV 9838 ~32 ~26 a1-l1 4.09 juvenile CB, excavation
CHM PV 9839 ~78 ~74 a1 10.94 adult CB, excavation
CHM PV 9840 ~27 ~22 L5 5.75 juvenile CB, excavation
CHM PV 9842 28.6 29.3 L4 5.23 juvenile CB, excavation
CHM PV 9843 28.7 ~27 A1-A3, a1-a3 3.84 juvenile CB, excavation
CHM PV 9844 28.6 ~22 l2 4.24 juvenile CB, excavation
CHM PV 9845 29.5 ~23 L1 3.32 juvenile CB, excavation
CHM PV 9846 ~32 ~25 L4 4.47 juvenile CB, excavation
CHM PV 9847 30.9 34.3 A1-a1 4.52 juvenile CB, excavation
CHM PV 9848 - 40.7 L2 5.52 juvenile CB, excavation
CHM PV 9849 31.8 ~37 A1-a1 4.87 juvenile CB, excavation
CHM PV 9850 25.2 ~23 A1 2.7 juvenile CB, excavation
CHM PV 9851 24 ~22 A2 2.64 juvenile CB, excavation
CHM PV 9852 33.8 33.5 A2 4.03 juvenile CB, excavation
CHM PV 9853 41.5 35 l2 6.73 juvenile CB, excavation
CHM PV 9855 ~37 ~34 A2 4.1 juvenile CB, excavation
CHM PV 9856 ~34 29.1 l3 7 adult CB, excavation
CCNHM 5994 76.3 81.4 A1 9.44 adult Ex situ
PV-7271 87.01 ~76.90 A3-L2 7.75 adult Ex situ
PV-7281 74.99 ~97 A1 11.22 adult Ex situ
PV-7269 ~83.20 ~84.93 L1-L3 9.83 adult Ex situ
PV-7279 ~75.90 ~92 A1-A2 10.88 adult Ex situ
PV-7260 ~83.26 ~78.34 A1 9.07 adult Ex situ