Table 1. Correlations between human- and machine-generated genus diversity.

Taxonomic group	Spearman rho	P-value
All genera	0.72	3.6×10−9
Bivalvia	0.67	6.2×10−8
Bryozoa	0.64	3.6×10−7
Gastropoda	0.59	5.3×10−6
Anthozoa	0.53	6.6×10−5
Brachiopoda	0.52	0.0001
Reptilia	0.50	0.0002
Trilobita	0.49	0.0003
Cephalopoda	0.41	0.003
Mammalia	0.40	0.004
Crinoidea	0.39	0.004

Data derive from the whole document set and the entire PBDB. Spearman rank-order correlation coefficients and p-values for detrended diversity time series (from Fig. 5b) shown.