FIGURE 2 in Diversity and taxonomy of the genus Unio Philipsson in Italy, with the designation of a neotype for Unio elongatulus C. Pfeiffer (Mollusca, Bivalvia, Unionidae)

FIGURE 2. Unio elongatulus median-joining haplotype network based on a fragment of the mitochondrial gene encoding for the cytochrome oxidase subunit I (mtDNA COI). Dashes indicate substitution steps. Each circle represents a haplotype and its size is proportional to its frequency. AdriBal: Balcanic-Adriatic basins (Mirna, Zrmanja, Baćinska, Krka, Bojana); AdriNE: NE-Adriatic basins (Isonzo, Corno); AdriNW: NW-Adriatic basins (Piave, Brenta); AdriPad: Padano-Adriatic basins (Po, Reno); AdriApp: Apennine-Adriatic basins (Metauro, Ofanto); TyrrApp: Apennine-Tyrrhenian basins (Serchio, Arno). See Appendix A for detailed information on the analysed haplotypes.