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