Fin modules: an evolutionary perspective on appendage disparity in basal vertebrates

Table 3 Spearman’s rank correlation coefficients between fins (below diagonal) and associated P values (above diagonal)

	Median ventral fin	Ventrolateral paired fins	Pectoral fins	Pelvic fins	Dorsal fins	Adipose fin	Anal fins	Caudal fin
Median ventral fin		0.002	<0.0001	0.008	0.087	0.019	0.047	0.583
Ventrolateral paired fins	0.18		0.002	0.265	0.942	0.451	0.957	0.271
Pectoral fins	−0.24	−0.18		<0.0001	<0.0001	0.071	<0.0001	0.002
Pelvic fins	−0.16	−0.07	0.57		<0.0001	0.003	0.002	<0.0001
Dorsal fins	−0.10	0.00	0.36	0.34		0.194	<0.0001	0.001
Adipose fin	0.14	−0.04	0.11	0.17	−0.08		0.027	0.171
Anal fins	−0.12	0.00	0.37	0.18	0.28	0.13		0.002
Caudal fin	0.03	0.07	0.18	0.23	0.19	0.08	0.19

The dataset comprises all possible fin configurations for each order and includes rows with missing data. Sample sizes vary between 281 and 293 among pairwise comparisons because of missing data. Significant results are in boldface

ISSN: 1741-7007