Opinions from N. S. Rogalla and M. R. W. Amler 2006

  • 'Avalanchia belongs to Iapetocardiinae'
  • 'Avalanchia pterocarina belongs to Avalanchia'
  • 'Baiosoma belongs to Pseudobigaleaidae'
  • 'Bigalea belongs to Bigaleinae'
  • 'Bigalea aviformis belongs to Bigalea'
  • 'Bigalea buskasi is recombined as Redstonia buskasi'
  • 'Bigalea ohioensis belongs to Bigalea'
  • 'Bigalea tercierae is recombined as Redstonia tercierae'
  • 'Bigalea visbyensis is recombined as Redstonia visbyensis'
  • 'Bigalea yangi belongs to Bigalea'
  • 'Bigaleinae belongs to Pseudobigaleaidae'
  • 'Bitrigonocardia belongs to Bitrigonocardiinae'
  • 'Bitrigonocardiinae belongs to Pseudobigaleaidae'
  • 'Cassowarioides belongs to Iapetocardiinae'
  • 'Cassowarioides anisomorpha belongs to Cassowarioides'
  • 'Cassowarioides perryi belongs to Cassowarioides'
  • 'Cassowarioides polgari belongs to Cassowarioides'
  • 'Cassowarioides stelcki is a subjective synonym of Cassowarioides perryi'
  • 'Cassowarioides whitei belongs to Cassowarioides'
  • 'Conocardium dorsatum is recombined as Bitrigonocardia dorsata'
  • 'Conocardium elegantulum is recombined as Bitrigonocardia elegantula'
  • 'Bitrigonocardia lindstromi is a subjective synonym of Bitrigonocardia elegantula'
  • 'Conocardium reticulatum is recombined as Bitrigonocardia reticulata'
  • 'Exalloschema is a subjective synonym of Baiosoma'
  • 'Hadropipetta belongs to Pseudobigaleainae'
  • 'Hadropipetta nevadensis is corrected as Hadropipetta nevadaensis and belongs to Hadropipetta'
  • 'Hippocardia ancora is recombined as Hadropipetta ancora'
  • 'Hippocardia batilia is recombined as Baiosoma batilia'
  • 'Hippocardia cooperi is recombined as Iapetocardia cooperi'
  • 'Hippocardia pala is recombined as Baiosoma pala'
  • 'Iapetocardia belongs to Iapetocardiinae'
  • 'Iapetocardiinae belongs to Pseudobigaleaidae'
  • 'Kandosoconcha belongs to Pseudobigaleainae'
  • 'Kandosoconcha pembertoni belongs to Kandosoconcha'
  • 'Nehedia belongs to Pseudobigaleainae'
  • 'Nehedia bainsi belongs to Nehedia'
  • 'Nehedia bergeraci belongs to Nehedia'
  • 'Nehedia grovesi belongs to Nehedia'
  • 'Nehedia restricta belongs to Nehedia'
  • 'Nehedia tricarina belongs to Nehedia'
  • 'Pleurorhynchus diptera is recombined as Bitrigonocardia diptera'
  • 'Pseudobigalea belongs to Pseudobigaleainae'
  • 'Pseudobigalea crista belongs to Pseudobigalea'
  • 'Pseudobigaleainae belongs to Pseudobigaleaidae'
  • 'Redstonia belongs to Pseudobigaleainae'
  • 'Redstonia knaeckei belongs to Redstonia'