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Table 1 Statistics of iliac measurements of Pelophylax ridibundus , Pelophylax lessonae and their hybrid klepton Pelophylax kl. P. esculentus

From: Variation in the ilium of central European water frogs Pelophylax (Amphibia, Ranidae) and its implications for species-level identification of fragmentary anuran fossils

Characters 1 2 3 4 5 6 7 8
P. ridibundus (male + female)       
N 115 116 116 113 113 116 113 116
Mean 27.60 36.00 3.65 4.20 1.70 3.40 10.00 2.50
SD 4.72 3.46 0.61 0.76 0.38 0.52 1.77 0.43
Min 17.60 28.00 2.40 2.80 1.00 2.20 6.40 1.60
Max 36.00 45.00 5.00 5.60 2.40 4.50 13.00 3.40
P. kl. P. esculentus (male + female)      
N 165 168 168 165 165 168 165 168
Mean 21.20 43.00 3.40 3.40 1.40 2.80 7.80 1.80
SD 2.91 4.05 0.46 0.48 0.24 0.37 1.10 0.32
Min 10.60 28.00 1.80 1.50 0.60 1.60 3.40 1.00
Max 28.10 53.00 4.40 4.40 2.00 3.60 10.80 3.00
P. lessonae (male + female)       
N 167 168 168 161 161 168 161 168
Mean 18.40 46.00 3.00 3.00 1.20 2.40 6.60 1.60
SD 2.28 4.32 0.40 0.33 0.20 0.27 0.79 0.21
Min 11.00 35.00 2.00 1.80 0.70 1.70 3.60 0.80
Max 24.20 56.00 4.40 3.80 1.80 3.20 8.40 2.00
P. kl. P. esculentus (RE)       
N 36 38 38 38 38 38 38 38
Mean 21.20 41.00 3.40 3.40 1.40 2.85 7.85 2.00
SD 2.09 2.12 0.43 0.42 0.20 0.34 1.00 0.31
Min 17.20 37.00 2.80 2.80 1.10 2.40 6.40 1.60
Max 26.60 46.00 4.20 4.20 2.00 3.60 10.80 3.00
P. kl. P. esculentus (LE)       
N 123 124 124 121 121 124 121 124
Mean 21.20 44.00 3.30 3.40 1.40 2.80 7.60 1.80
SD 3.16 4.37 0.47 0.50 0.24 0.37 1.12 0.31
Min 10.60 28.00 1.80 1.50 0.60 1.60 3.40 1.00
Max 28.10 53.00 4.40 4.40 2.00 3.60 9.60 2.60
P. ridibundus (male)        
N 42 42 42 39 39 42 39 44
Mean 28.40 36.50 3.80 4.40 1.80 3.40 10.60 2.60
SD 4.28 4.12 0.62 0.71 0.38 0.50 1.63 0.42
Min 19.20 28.00 2.40 2.80 1.10 2.40 6.80 1.80
Max 33.20 45.00 5.00 5.20 2.40 4.10 12.00 3.40
P. ridibundus (female)        
N 73 74 74 74 74 74 74 74
Mean 26.20 36.00 3.50 4.00 1.60 3.20 9.80 2.50
SD 4.98 3.06 0.61 0.79 0.38 0.54 1.84 0.45
Min 17.60 28.00 2.40 2.80 1.00 2.20 6.40 1.60
Max 36.00 42.00 4.70 5.60 2.40 4.50 13.00 3.20
P. kl. P. esculentus (male)       
N 83 86 86 85 85 86 85 86
Mean 21.00 43.00 3.40 3.40 1.40 2.80 7.80 1.80
SD 2.60 3.59 0.47 0.47 0.23 0.36 1.09 0.31
Min 10.60 33.00 1.80 1.50 0.60 1.60 3.40 1.00
Max 26.60 53.00 4.20 4.20 2.00 3.60 10.80 3.00
P. kl. P. esculentus (female)       
N 82 82 82 80 80 82 80 82
Mean 21.50 42.00 3.30 3.40 1.40 2.80 7.80 1.90
SD 3.17 4.36 0.46 0.49 0.25 0.38 1.11 0.32
Min 12.60 28.00 2.20 2.00 0.80 1.70 4.40 1.20
Max 28.10 53.00 4.40 4.40 2.00 3.60 9.60 2.60
P. lessonae (male)        
N 86 86 86 81 81 86 81 86
Mean 18.00 45.00 3.00 3.00 1.20 2.40 6.40 1.60
SD 2.31 4.22 0.42 0.35 0.20 0.30 0.85 0.22
Min 11.00 37.00 2.00 1.80 0.70 1.70 3.60 0.80
Max 24.00 55.00 3.80 3.60 1.60 3.00 8.20 1.90
P. lessonae (female)        
N 81 82 82 80 80 82 80 82
Mean 19.60 46.50 3.00 3.00 1.20 2.40 6.70 1.60
SD 1.86 4.30 0.36 0.28 0.19 0.23 0.67 0.18
Min 16.40 35.00 2.60 2.40 0.90 2.10 5.90 1.20
Max 24.20 56.00 4.40 3.80 1.80 3.20 8.40 2.00
  1. Abbreviations: N number of elements, SD standard deviation, Min minimum, Max maximum, RE ridibundus-esculentus population structure, LE lessonae-esculentus population structure. For measurement explanations, see Figure 1.
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