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Table 2 Skeletal proportions in Archaeopteryx and Anchiornis

From: Re-evaluation of the Haarlem Archaeopteryx and the radiation of maniraptoran theropod dinosaurs

  mcIII/ mcI mpI-1/ mcI mpI-1/ mcIII muI/ mcI muIII/ mcIII tibia/ mt
London 1.83
Berlin 2.99 2.47 0.83 1.16 0.29 1.85
Eichstätt 3.00 2.84 0.95 1.25 0.32 1.74
Solnhofen 1.94
München 3.26 2.78 0.85 1.28 0.29 1.83
Thermopolis 3.33 2.95 0.89 1.88
11th 3.18 2.35 0.74 1.17 0.32 1.89
Anchiornis 2.46 2.11 0.86 1.22 0.45 1.93
Haarlem 2.21 2.20 1.00 0.90 0.36 1.67
t-value 13.603 4.195 4.287 10.354 6.916 7.716
p-value <0.001 <0.020 <0.020 <0.002 <0.01 <0.001
z-value 6.083 1.876 1.917 5.179 3.458 2.916
p-value <0.001 0.038 0.024 <0.001 <0.001 0.001
  1. Ratio of skeletal elements in the Haarlem and other Archaeopteryx specimens (which can be diagnosed) and statistical differences (t-test and z-test) between the Haarlem specimen and Archaeopteryx. Abbreviations: mp, manual phalange; mc, metacarpal; mt, metatarsus; mu, manual ungual