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A: the c. 11,000 Cnidaria species (excluding Myxozoa) subdivided into clades following Kayal et al. [58]; B: the c. 3,300 Hydrozoa species, subdivided into ranks from Daly et al. [59] and the present work; C: the 175 valid Siphonophora species subdivided into ranks based on Tables 3 and 4 of the present work.
