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Maximum-likelihood phylogenetic tree based on 2219 bp of mitochondrial and nuclear DNA sequences (COI, Cytb, 16S, and 28S-D2) within the genus Gnaptorina. Vertical coloured bars delineate extant morphospecies (black), and the results of three separate molecular analyses delimiting species (pink, yellow. and pale green). For the analysis using COI gene, we used grey colour to delineate specimens for which sequencing failed.
