Figure 19 in A revision of the genus Paraprionospio Caullery (Polychaeta: Spionidae)

Figure 19. Most parsimonious tree based on the matrix in Table 2, showing character transformations and four main clades (A–D) within the genus Paraprionospio. Numerals to the left of symbols indicate characters in Table 1. Character transformations are shown as numerals connected with a hyphen to the right of symbols (character states before and after transformation; see Table 1 for character states).