Base of the evolutionary tree for Ptychatractidae

← parent

• Ptychatractidae (34 species)
  • Exilia → (16 species)
    • Exilia krigei
    • Exilia blanda
    • Exilia vagrans
    • Exilia simiensis
    • Exilia kiwi
    • Exilia elegans
    • Exilia clarki
    • Exilia potreroensis
    • Exilia mclellani
    • Exilia cretacea
    • Exilia expeditionis
    • Exilia graphiduloides
    • Slim Benthovolute (Exilia hilgendorfi)
    • Exilia cortezi
    • Exilia alanbeui
    • Exilia llajasensis
  • Metzgeria → (7 species)
    • Metzgeria gagei
    • Monterey false spindle (Metzgeria montereyana)
    • Metzgeria problematica
    • California false spindle (Metzgeria californica)
    • Metzgeria holcophorus
    • Metzgeria shirleyi
    • Metzgeria alba
  • Ptychatractus → (4 species)
    • Ptychatractus occidentalis
    • ligate false spindle (Ptychatractus ligatus)
    • Ptychatractus youngi
    • Ptychatractus californicus
  • Exilioidea → (6 species)
    • Exilioidea atlantica
    • Exilioidea kelseyi
    • Exilioidea indica
    • Exilioidea rectirostris
    • Exilioidea costulata
    • Exilioidea rufocaudata
  • Egestas waitei

Other links

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

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