Didymograptus

Didymograptus
Temporal range: Middle Ordovician
~
Didymograptus murchisoni, Wales
Scientific classification
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Didymograptus

McCoy 1851
  • D. artus
  • D. euodus
  • D. gracilis
  • D. murchisoni
  • D. nicholsoni

Didymograptus is an extinct genus of graptolites with four rows of cups. They lived during the Middle Ordovician, to Late Ordovician.