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. Author manuscript; available in PMC: 2017 Jan 14.
Published in final edited form as: Palaeontology. 2016 Jan 14;59(2):225–247. doi: 10.1111/pala.12225

Table 6.

Spearman’s Rank and Kendall’s Tau correlation coefficients and uncorrected probability values (p) of statistical comparisons between CCM values of pterosaurs and various proxies within Lagerstätten only and Lagerstätten removed subgroups for the Mesozoic, Triassic/Jurassic, and the Cretaceous.

MESOZOIC
LAGERSTÄTTEN ONLY LAGERSTÄTTEN REMOVED
CCM vs: Spearman's rs Kendall's tau Spearman's rs Kendall's tau
Taxic Diversity 0.738 (p=0.0000258) 0.547 (p=0.000128) 0.328 (p=0.109) 0.253 (p=0.0759)
Lagerstatten presence/absence Tax. Div. 0.936 (p=0.00000000000633) 0.84 (p=0.00000000397) 0.219 (p=0.292) 0.16 (p=0.262)
Sauropod CCM -0.00308 (p=0.988) -0.0133 (p=0.926) 0.182 (p=0.383) 0.147 (p=0.304)
Aves CCM 0.615 (p=0.0252) 0.385 (p=0.0672) 0.418 (p=0.156) 0.385 (p=0.0672))
Sea Level 0.236 (p=0.256) 0.18 (p=0.207) -0.0654 (p=0.756) -0.02 (p=0.744)
TRIASSIC/JURASSIC
LAGERSTÄTTEN ONLY LAGERSTÄTTEN REMOVED
CCM vs: Spearman's rs Kendall's tau Spearman's rs Kendall's tau
Taxic Diversity 0.615 (p=0.0252) 0.385 (p=0.0672) 0.302 (p=0.316) 0.231 (p=0.272)
Lagerstatten presence/absence Tax. Div. 0.967 (p=0.0000000706) 0.897 (p=0.0000195) 0.275 (p=0.364) 0.179 (p=0.393)
Sauropod CCM 0.445 (p=0.128) 0.333 (p=0.113) 0.489 (p=0.0899) 0.387 (p=0.0672)
Aves CCM N/A N/A N/A N/A
Sea Level 0.214 (p=0.482) 0.103 (p=0.626) -0.0824 (p=0.789) -0.103 (p=0.626)
CRETACEOUS
LAGERSTÄTTEN ONLY LAGERSTÄTTEN REMOVED
CCM vs: Spearman's rs Kendall's tau Spearman's rs Kendall's tau
Taxic Diversity 0.755 (p=0.00451) 0.636 (p=0.00398) 0.294 (p=0.354) 0.212 (p=0.337)
Lagerstatten presence/absence Tax. Div. 0.944 (p=0.00000393) 0.848 (p=0.000123) 0.105 (p=0.746) 0.0909 (p=0.681)
Sauropod CCM -0.538 (p=0.0709) -0.394 (p=0.0746) -0.035 (p=0.914) 0.0303 (p=0.891)
Aves CCM 0.622 (p=0.0307) 0.424 (p=0.0549) 0.378 (p=0.226) 0.364 (p=0.0998)
Sea Level 0.119 (p=0.713) 0.121 (p=0.583) -0.189 (p=0.557) -0.121 (0.583)

Results in bold highlight statistical significance at p=0.05