Base of the evolutionary tree for Megomphicidae

← parent

• Megomphicidae (14 species)
  • Polygyrella → (5 species)
    • Polygyrella amplexa
    • humped coin (Polygyrella polygyrella)
    • Polygyrella parvula
    • Polygyrella venerabilis
    • Polygyrella yatesi
  • Megomphix → (3 species)
    • Oregon megomphix (Megomphix hemphilli)
    • Natural Bridge megomphix (Megomphix californicus)
    • umatilla megomphix (Megomphix lutarius)
  • Polygyroidea → (4 species)
    • Polygyroidea hiltoni
    • Polygyroidea lens
    • toothed coin (Polygyroidea harfordiana)
    • Polygyroidea montivaga
  • Ammonitella → (2 species)
    • tight coin (Ammonitella yatesii)
    • Ammonitella lunata

Other links

• Wikidata
• Wikipedia (language: en)
• Wikipedia (language: nl)
• Wikipedia (language: tr)
• Wikipedia (language: sv)
• Encyclopedia of Life
• NCBI (genetics)"
• Open Tree of Life

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