Opinions from A. W. Potter 1990

  • 'Anoptambonites myriomorpheus belongs to Anoptambonites'
  • 'Austinella belongs to Plaesiomyidae'
  • 'Cremnorthidae belongs to Orthacea'
  • 'Diochthofera belongs to Orthinae'
  • 'Diochthofera conspicua belongs to Diochthofera'
  • 'Dolerorthidae belongs to Orthacea'
  • 'Elasmothyris limata belongs to Elasmothyris'
  • 'Epitomyonia relicina belongs to Epitomyonia'
  • 'Eridorthis belongs to Glyptorthinae'
  • 'Eripnifera belongs to Rhactorthinae'
  • 'Eripnifera praecipitis belongs to Eripnifera'
  • 'Glyptorthinae belongs to Dolerorthidae'
  • 'Glyptorthis belongs to Glyptorthinae'
  • 'Hesperorthinae belongs to Dolerorthidae'
  • 'Hesperorthis belongs to Hesperorthinae'
  • 'Orthacea belongs to Orthidina'
  • 'Orthidae belongs to Orthacea'
  • 'Orthidina belongs to Orthida'
  • 'Orthinae belongs to Orthidae'
  • 'Paralenorthis belongs to Orthinae'
  • 'Phragmorthidae was reranked as the subfamily Phragmorthinae and belongs to Cremnorthidae'
  • 'Phragmorthis belongs to Phragmorthinae'
  • 'Plaesiomyidae belongs to Orthacea'
  • 'Plectorthidae belongs to Orthacea'
  • 'Plectorthinae belongs to Plectorthidae'
  • 'Ptychopleurella belongs to Glyptorthinae'
  • 'Rhactorthidae was reranked as the subfamily Rhactorthinae and belongs to Plectorthidae'
  • 'Salopina horseshoensis belongs to Salopina'
  • 'Scaphorthis belongs to Plectorthinae'
  • 'Sigmelasma pantherae belongs to Sigmelasma'
  • 'Skenidioides multifarius belongs to Skenidioides'
  • 'Taphrorthis belongs to Orthinae'