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Base of the evolutionary tree for hydras (Hydridae)

← parent
  • hydras (Hydridae) (46 species)
    • unnamed group 815472 → (2 species)
      • Hydra sinensis
      • green hydra (Hydra viridissima)
    • unnamed group 815452 → (10 species)
      • unnamed group 815455 → (7 species)
        • unnamed group 815458 → (4 species)
          • unnamed group 815460 → (2 species)
          • unnamed group 815459 → (2 species)
        • unnamed group 815456 → (3 species)
          • unnamed group 815457 → (2 species)
          • Hydra zhujiangensis
      • unnamed group 815453 → (3 species)
        • unnamed group 815454 → (2 species)
          • Hydra circumcincta
          • Utah hydra (Hydra utahensis)
        • Jersey hydra (Hydra hymanae)
    • Hydra paranensis
    • Hydra brandyensis
    • Hydra mohensis
    • Hydra liriosoma
    • Hydra intermedia
    • Hydra zelanica
    • Hydra paranenois
    • Hydra plagiodesmica
    • Hydra beijingensis
    • Hydra rutgersensis
    • Hydra parva
    • Hydra harbinensis
    • Oregon hydra (Hydra oregona)
    • Hydra rutgerensis
    • Hydra umfula
    • Hydra javanica
    • Hydra zeylandica
    • Hydra salmacidis
    • Hydra hadleyi
    • Hydra baikalensis
    • Hydra paludicola
    • Hydra shenzhensis
    • Hydra thomseni
    • Hydra madagascariensis
    • Hydra cauliculata
    • Hydra minima
    • Hydra daqingensis
    • Hydra mariana
    • Hydra iheringi
    • Hydra magellanica
    • Hydra ethiopiae
    • Hydra madagascarensis
    • Hydra japonica
    • Hydra intaba

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