Fig. 3From: Molecular identification key based on PCR/RFLP for three polychaete sibling species of the genus Marenzelleria, and the species’ current distribution in the Baltic Sea Marenzelleria spp. 50%-Majority rule consensus tree (midpoint rooting) from 1,463 MP trees (tree length = 324) reconstructed from composite haplotypes (1,351 bp) of PCR/sequencing data (Table 4; Table A, electronic supplementary material) using PAUP* Version 4.0 b10. Numbers above branches denote bootstrap values above 50%. Abbreviations of sampling sites follow nomenclature in Table 1 Back to article page