Supplementary Material 1: List of specimens analysed in this study with detailed information of the stations in which they were sampled. All specimens are deposited in the MNHN Paris.
MNHN- Muséum Nationale d'Histoire Naturelle, Paris, France. Several specimens collected in the stations CP28, CP99, DW21 and CP12 from Seamount 1 and DW128, DW130, DW136, DW143, DW146, DW147, DW148, DW152, DW166, DW226, DW237, DW242, DW247, DW248, DW249, DW258 from Seamount 2, were deciduous and/or dead skeletons, and could not be confidently identified (not included here).