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Base of the evolutionary tree for Phaeogromia

← parent
  • Phaeogromia (15 species)
    • Challengeron → (9 species)
      • Challengeron diodon
      • Challengeron tizardi
      • Challengeron channeri
      • Challengeron zetlandica
      • Challengeron heteracanthum
      • Challengeron willemoesii
      • Challengeron neptuni
      • Challengeron radians
      • Challengeron bethelli
    • Protocystis → (6 species)
      • Protocystis vicina
      • Protocystis xiphodon
      • Protocystis thomsoni
      • Protocystis tridens
      • Protocystis harstoni
      • Protocystis murrayi

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