Figure 3From: Unsuspected diversity of Niphargus amphipods in the chemoautotrophic cave ecosystem of Frasassi, central ItalyUnrooted maximum-likelihood tree of ITS nuclear sequences. This tree was generated with PhyML under the model TVM+G (40 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