Table 2.

Results of pairwise comparisons between time series using Pearson’s product-moment correlation coefficients. All time series were log-transformed and subjected to generalised differencing prior to comparisons being made. Asterisks indicate statistically significant results.

Dataset 1	Dataset 2	R	p-value	p-values following FDR corrections
Plesiosaur CCM1	Plesiosaur CCM2	0.998	1.21E-22*	2.18E-21*
Plesiosaur SCM1	Plesiosaur SCM2	0.996	2.92E-20*	2.63E-19*
Plesiosaur CCM2	Plesiosaur SCM2	0.947	2.70E-10*	1.62E-09*
Plesiosaur SCM2	Bin length	0.267	0.255	0.328
Plesiosaur CCM2	Bin length	0.238	0.313	0.375
Plesiosaur CCM2	Sea level	-0.334	0.150	0.246
Plesiosaur SCM2	Sea level	-0.299	0.201	0.301
Plesiosaur CCM2	FMFs	0.517	0.019*	0.070
Plesiosaur SCM2	FMFs	0.466	0.038*	0.115
Plesiosaur CCM2	MTBCs	0.372	0.106	0.191
Plesiosaur SCM2	MTBCs	0.441	0.052	0.117
Plesiosaur CCM2	Species richness	0.446	0.049*	0.117
Plesiosaur SCM2	Species richness	0.422	0.064	0.127
Plesiosaur CCM2	Sauropodomorph CCM2	0.202	0.393	0.442
Plesiosaur SCM2	Sauropodomorph SCM2	0.047	0.845	0.845
Plesiosaur SCM2	Ichthyosaur SCM2	0.659	0.007*	0.034*
Plesiosaur CCM2	Bird CCM2	-0.399	0.224	0.310
Plesiosaur CCM2	Pterosaur CCM2	-0.143	0.547	0.579