Opinions from L. E. Holmer 1986

  • 'Acanthambonia belongs to Acanthamboniinae'
  • 'Acanthambonia minutissima belongs to Acanthambonia' according to Cooper 1956
  • 'Acanthamboniinae belongs to Siphonotretidae'
  • 'Acrotretacea belongs to Acrotretidina'
  • 'Acrotretella belongs to Torynelasmatinae'
  • 'Acrotretella siluriana belongs to Acrotretella' according to Ireland 1961
  • 'Acrotretida belongs to Inarticulata'
  • 'Acrotretidae belongs to Acrotretacea'
  • 'Acrotretidina belongs to Acrotretida'
  • 'Atrypa nitens is recombined as Hisingerella nitens'
  • 'Conotreta belongs to Acrotretinae'
  • 'Conotreta orbicularis belongs to Conotreta'
  • 'Discinacea belongs to Acrotretidina'
  • 'Discinidae belongs to Discinacea'
  • 'Eoconulidae belongs to Acrotretacea'
  • 'Eoconulus belongs to Eoconulidae'
  • 'Eoconulus dymiensis belongs to Eoconulus' according to Bednarczyk and Biernat 1978
  • 'Ephippelasma belongs to Ephippelasmatinae'
  • 'Ephippelasmatinae belongs to Acrotretidae'
  • 'Glossellinae belongs to Obolidae'
  • 'Hisingerella belongs to Acrotretinae'
  • 'Hisingerella davidsoni belongs to Hisingerella' according to Reed 1917
  • 'Hisingerella tenuis belongs to Hisingerella'
  • 'Inarticulata belongs to Brachiopoda'
  • 'Lingula davisii is recombined as Lingulella davisii'
  • 'Lingulacea belongs to Lingulida'
  • 'Lingulella belongs to Lingulellinae'
  • 'Lingulellinae belongs to Obolidae'
  • 'Lingulida belongs to Inarticulata'
  • 'Lurigitcoma belongs to Ephippelasmatinae'
  • 'Myotreta belongs to Ephippelasmatinae'
  • 'Numericoma belongs to Ephippelasmatinae'
  • 'Obolidae belongs to Lingulacea'
  • 'Orbicula elliptica is recombined as Schizotreta elliptica'
  • 'Orbiculoideinae belongs to Discinidae'
  • 'Paterula belongs to Paterulidae'
  • 'Paterulidae belongs to Lingulacea'
  • 'Rhinotreta belongs to Ephippelasmatinae'
  • 'Rhinotreta muscularis belongs to Rhinotreta'
  • 'Rowellella belongs to Lingulellinae'
  • 'Scaphelasma belongs to Scaphelasmatinae'
  • 'Scaphelasma mica belongs to Scaphelasma' according to Popov 1975
  • 'Scaphelasmatinae belongs to Acrotretidae'
  • 'Schizotreta belongs to Orbiculoideinae'
  • 'Siphonotretacea belongs to Acrotretidina'
  • 'Siphonotretidae belongs to Siphonotretacea'
  • 'Torynelasma belongs to Torynelasmatinae'
  • 'Torynelasmatinae belongs to Acrotretidae'
  • 'Veliseptum belongs to Ephippelasmatinae'
  • 'Veliseptum fragile belongs to Veliseptum' according to Popov 1976
  • 'Veliseptum strictum belongs to Veliseptum'