Table 2. Mean and maximum intraspecific distances and Nearest-Neighbour distance (p-distance values) of the 41 chondrichthyan species barcoded for the ELASMOMED library.

The Dasyatis pastinaca cluster is not separated.

Species	Within-species distance		Nearest Neighbour	Distance to theNearest Neighbor
	Mean	Maximum
Chimaera monstrosa	0.08	0.31	Raja polystigma	21.42
Dasyatis centroura	0	0	Pteroplatytrygon violacea	5.77
Dasyatis pastinaca	3.06	8.72	Pteroplatytrygon violacea	7.89
Pteroplatytrygon violacea	0.24	0.46	Dasyatis centroura	5.77
Mobula mobular	N/A	N/A	Myliobatis aquila	16.36
Myliobatis aquila	0.29	1.02	Pteroplatytrygon violacea	15.59
Pteromylaeus bovinus	0.11	0.17	Myliobatis aquila	16.79
Dipturus nidarosiensis	0.03	0.16	Dipturus oxyrinchus	5.96
Dipturus oxyrinchus	0	0	Dipturus nidarosiensis	5.96
Leucoraja circularis	0.03	0.16	Leucoraja melitensis	3.60
Leucoraja melitensis	0.34	0.63	Leucoraja circularis	3.60
Leucoraja naevus	N/A	N/A	Leucoraja circularis	5.02
Raja asterias	0.43	0.79	Raja radula	3.96
Raja brachyura	0.08	0.16	Raja polystigma	4.09
Raja clavata	0.06	0.47	Raja radula	2.51
Raja miraletus	0.30	1.28	Raja polystigma	6.79
Raja montagui	N/A	N/A	Raja polystigma	1.71
Raja polystigma	0.31	1.26	Raja montagui	1.71
Raja radula	0.35	1.11	Raja clavata	2.51
Raja undulata	0.31	0.64	Raja polystigma	3.68
Rostroraja alba	0.05	0.18	Leucoraja melitensis	12.24
Torpedo marmorata	0.42	1.30	Torpedo torpedo	10.77
Torpedo nobiliana	0.19	0.33	Torpedo marmorata	12.83
Torpedo torpedo	0.05	0.34	Torpedo marmorata	10.77
Prionace glauca	0.19	0.19	Galeorhinus galeus	10.63
Galeus melastomus	0.24	1.55	Galeorhinus galeus	13.63
Scyliorhinus canicula	0.35	1.40	Scyliorhinus stellaris	7.10
Scyliorhinus stellaris	0	0	Scyliorhinus canicula	7.10
Galeorhinus galeus	0	0	Mustelus punctulatus	9.25
Mustelus mustelus	0.07	0.64	Mustelus punctulatus	7.46
Mustelus punctulatus	0	0.18	Mustelus mustelus	7.46
Heptranchias perlo	0	0	Centroscymnus coelolepis	17.85
Alopias vulpinus	0.12	0.18	Cetorhinus maximus	13.72
Cetorhinus maximus	0	0	Alopias vulpinus	13.72
Centrophorus granulosus	0.08	0.52	Squalus acanthias	9.36
Dalatias licha	0.05	0.16	Squalus acanthias	12.40
Etmopterus spinax	0.28	1.15	Centrophorus granulosus	13.91
Oxynotus centrina	0	0	Centroscymnus coelolepis	7.82
Centroscymnus coelolepis	N/A	N/A	Oxynotus centrina	7.82
Squalus acanthias	0.11	1.10	Squalus blainville	6.87
Squalus blainville	0.33	1.30	Squalus acanthias	6.87
Average	0.29	0.93		8.79