Haplotype phylogeny estimated by Bayesian analysis of the
species studied. The numbers above the branches represent the posterior probabilities; the numbers below the branches represent the bootstrap percentages of the MP and ML analysis, respectively. When a certain node was not recovered by one of the methods, a hyphen was added. Ma, GSJ, M. arrokeana; Mja, M. japonica; Mgrossa, M. grossa; Li and R.s, Ramphogordius sanguineus, from Argentina and GenBank respectively; A.l, Amphiporus lactifloreus; P.c, Paradrepanophorus crassus; G.p, Geonemertes pelaensis.