Figure 2From: Unsuspected diversity of Niphargus amphipods in the chemoautotrophic cave ecosystem of Frasassi, central ItalyRooted maximum-likelihood tree of COI mitochondrial sequences. This tree was generated with PhyML under the model TIM1+I+G (80 parameters) selected by jModelTest. Individual sample names are not shown for the sake of clarity, and NJ/MP/ML bootstrap values (1000 replicates) are displayed next to each node.Back to article page