Base of the evolutionary tree for Rhynchocephalia

← parent

• Rhynchocephalia (39 species)
  • Sphenodontia → (38 species)
    • Acrosphenodontia → (37 species)
      • unnamed group 993 → (36 species)
        • unnamed group 994 → (35 species)
        • Rebbanasaurus jaini
      • Planocephalosaurus robinsonae
    • Diphydontosaurus avonis
  • Gephyrosaurus bridensis

Other links

• Wikidata
• Open Tree of Life

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