Base of the evolutionary tree for Sphenacodontidae

← parent

• Sphenacodontidae (7 species)
  • unnamed group 55 → (6 species)
    • unnamed group 57 → (4 species)
      • unnamed group 58 → (3 species)
        • unnamed group 59 → (2 species)
        • Dimetrodon limbatus
      • Dimetrodon milleri
    • unnamed group 56 → (2 species)
      • Sphenacodon
      • Ctenospondylus
  • Secodontosaurus

Other links

• Wikidata
• Wikipedia (language: en)
• Wikipedia (language: de)
• Wikipedia (language: es)
• Wikipedia (language: fr)
• Wikipedia (language: ja)
• Wikipedia (language: ru)
• Wikipedia (language: it)
• Wikipedia (language: zh)
• Wikipedia (language: pt)
• Wikipedia (language: ar)
• Wikipedia (language: nl)
• Wikipedia (language: fa)
• Wikipedia (language: he)
• Wikipedia (language: uk)
• Wikipedia (language: ko)
• Encyclopedia of Life
• Open Tree of Life

---