Base of the evolutionary tree for Eoichthyosauria

← parent

• Eoichthyosauria (24 species)
  • Ichthyosauria → (22 species)
    • unnamed group 1123 → (21 species)
      • unnamed group 1124 → (20 species)
        • unnamed group 1126 → (18 species)
        • Mixosauria → (2 species)
      • Cymbospondylus
    • Chaohusaurus geishanensis
  • Grippidia → (2 species)
    • Grippia longirostris
    • Gulosaurus helmi

Other links

• Wikidata
• Open Tree of Life

---