Opinions from G. A. Lo Valvo et al. 2020

  • 'Baltograptus belongs to Didymograptidae'
  • 'Baltograptus extremus belongs to Baltograptus' according to J. Maletz and M. Slovacek 2013
  • 'Baltograptus extremus belongs to Baltograptus'
  • 'Clonograptus belongs to Dichograptidae'
  • 'Clonograptus flexilis belongs to Clonograptus'
  • 'Corymbograptus belongs to Phyllograptidae'
  • 'Cymatograptus belongs to Didymograptidae'
  • 'Dichograptidae belongs to Dichograptina'
  • 'Dichograptina belongs to Graptoloidea'
  • 'Didymograptidae belongs to Dichograptina'
  • 'Didymograptus deflexus is recombined as Baltograptus deflexus'
  • 'Didymograptus geometricus is recombined as Baltograptus geometricus'
  • 'Didymograptus holmi belongs to Didymograptus' according to Törnquist 1901
  • 'Didymograptus holmi is recombined as Expansograptus holmi'
  • 'Didymograptus protobalticus is recombined as Cymatograptus protobalticus'
  • 'Didymograptus pusillus belongs to Didymograptus' according to Tullberg 1880
  • 'Didymograptus pusillus is recombined as Expansograptus pusillus'
  • 'Didymograptus vacillans is recombined as Baltograptus vacillans'
  • 'Didymograptus vfractus is recombined as Corymbograptus vfractus'
  • 'Didymograptus vfractus tullbergi is recombined as Corymbograptus vfractus tullbergi'
  • 'Expansograptus belongs to Didymograptidae'
  • 'Fucoides serra belongs to Fucoides' according to Brongniart 1828
  • 'Fucoides serra is recombined as Tetragraptus serra'
  • 'Graptolithina was reranked as a subclass and belongs to Pterobranchia'
  • 'Graptolithus constrictus belongs to Graptolithus' according to J. Hall 1865
  • 'Graptolithus constrictus is recombined as Expansograptus constrictus'
  • 'Graptolithus similis belongs to Graptolithus' according to J. Hall 1865
  • 'Graptolithus similis is recombined as Expansograptus similis'
  • 'Graptoloidea belongs to Graptolithina'
  • 'Phyllograptidae belongs to Dichograptina'
  • 'Pterobranchia belongs to Hemichordata'
  • 'Sigmagraptidae belongs to Sinograptina'
  • 'Sigmagraptus belongs to Sigmagraptidae'
  • 'Sigmagraptus praecursor belongs to Sigmagraptus'
  • 'Sinograpta is corrected as Sinograptina and belongs to Graptoloidea'
  • 'Tetragraptus belongs to Phyllograptidae'
  • 'Tetragraptus reclinatus belongs to Tetragraptus'