Figure 4From: Islands beneath islands: phylogeography of a groundwater amphipod crustacean in the Balearic archipelagoMajor Mallorcan clades and hydrographic catchments. Map of Mallorca showing the correspondence between hydrographic catchments and distribution of major clades recognized based on mtDNA phylogenetic information. The map of Menorcan hydrographic catchments is not shown as the two sampling sites are from anchialine caves.Back to article page