Opinions from S. V. Meyen 1984

  • 'Androstrobus belongs to Beaniaceae'
  • 'Angarocarpus belongs to Callistophytaceae'
  • 'Antevsia belongs to Peltaspermaceae'
  • 'Araucariaceae belongs to Pinales'
  • 'Arberiaceae belongs to Arberiales'
  • 'Arberiales belongs to Ginkgoopsida'
  • 'Autunia belongs to Peltaspermaceae'
  • 'Bardocarpus belongs to Rufloriaceae'
  • 'Beania belongs to Beaniaceae'
  • 'Beaniaceae belongs to Cycadales'
  • 'Bennettitaceae belongs to Bennettitales'
  • 'Bennettitales belongs to Cycadopsida'
  • 'Biarmopteris belongs to Trichopityaceae'
  • 'Buriadiaceae belongs to Pinales'
  • 'Buteoxylaceae belongs to Lagenostomales'
  • 'Calamopityaceae belongs to Calamopityales'
  • 'Calamopityales belongs to Ginkgoopsida'
  • 'Calamopitys belongs to Calamopityaceae'
  • 'Callandrium belongs to Callistophytaceae'
  • 'Callipterianthus belongs to Peltaspermaceae'
  • 'Callistophytaceae belongs to Callistophytales'
  • 'Callistophytales belongs to Ginkgoopsida'
  • 'Callistophyton belongs to Callistophytaceae'
  • 'Callospermarion belongs to Callistophytaceae'
  • 'Cardiolepidaceae belongs to Peltaspermales'
  • 'Cardiolepis belongs to Cardiolepidaceae'
  • 'Caytoniaceae belongs to Caytoniales'
  • 'Caytoniales belongs to Ginkgoopsida'
  • 'Cephalotaxaceae belongs to Pinales'
  • 'Cheirolepidiaceae belongs to Pinales'
  • 'Coniferales is a subjective synonym of Pinales'
  • 'Coniferopsida is a subjective synonym of Pinopsida'
  • 'Cordaitanthaceae belongs to Cordaitanthales'
  • 'Cordaitanthales belongs to Pinopsida'
  • 'Cordaitanthus belongs to Cordaitanthaceae'
  • 'Cordaites belongs to Cordaitanthales'
  • 'Corystospermaceae is replaced by Umkomasiaceae'
  • 'Cupressaceae belongs to Pinales'
  • 'Cycadaceae belongs to Cycadales'
  • 'Cycadales belongs to Cycadopsida'
  • 'Cycadeoideaceae is a subjective synonym of Bennettitaceae'
  • 'Cycadeoideales is a subjective synonym of Bennettitales'
  • 'Cycadocarpidiaceae belongs to Pinales'
  • 'Cycadopsida belongs to Pinophyta'
  • 'Czekanowskiales is a subjective synonym of Leptostrobales'
  • 'Deltasperma belongs to Calamopityaceae'
  • 'Diceratosperma belongs to Trichopityaceae'
  • 'Dichophyllum belongs to Trichopityaceae'
  • 'Dicksonites belongs to Callistophytaceae'
  • 'Dicroidium belongs to Umkomasiaceae'
  • 'Dirhopalostachyaceae belongs to Cycadales'
  • 'Dirhopalostachys belongs to Dirhopalostachyaceae'
  • 'Eosperma belongs to Calamopityaceae'
  • 'Ephedraceae belongs to Ephedrales'
  • 'Ephedrales belongs to Ginkgoopsida'
  • 'Eremopteris belongs to Callistophytaceae'
  • 'Gaussia belongs to Rufloriaceae'
  • 'Ginkgoaceae belongs to Ginkgoales'
  • 'Ginkgoales belongs to Ginkgoopsida'
  • 'Ginkgoopsida belongs to Pinophyta'
  • 'Glossophyllum belongs to Peltaspermaceae'
  • 'Glossopteridales is replaced by Arberiales'
  • 'Gnetaceae belongs to Gnetales'
  • 'Gnetales belongs to Cycadopsida'
  • 'Gondwanotheca belongs to Callistophytaceae'
  • 'Gothania belongs to Cordaitanthaceae'
  • 'Gymnospermae is replaced by Pinophyta'
  • 'Harrisiothecium belongs to Umkomasiaceae'
  • 'Idanothekion belongs to Callistophytaceae'
  • 'Iraniaceae belongs to Leptostrobales'
  • 'Kalymma belongs to Calamopityaceae'
  • 'Karkeniaceae belongs to Ginkgoales'
  • 'Kirjamkenia belongs to Peltaspermaceae'
  • 'Krylovia belongs to Rufloriaceae'
  • 'Kuznetskia belongs to Vojnovskyaceae'
  • 'Lagenostomaceae belongs to Lagenostomales'
  • 'Lagenostomales belongs to Cycadopsida'
  • 'Lebachiaceae belongs to Pinales'
  • 'Lepidopteris belongs to Peltaspermaceae'
  • 'Leptostrobaceae belongs to Leptostrobales'
  • 'Leptostrobales belongs to Ginkgoopsida'
  • 'Leuthardtia belongs to Peltaspermaceae'
  • 'Lyrasperma belongs to Calamopityaceae'
  • 'Mauerites belongs to Trichopityaceae'
  • 'Medullosales is replaced by Trigonocarpales'
  • 'Mitrospermum belongs to Cordaitanthaceae'
  • 'Nephropsis belongs to Cordaitanthales'
  • 'Nidia belongs to Umkomasiaceae'
  • 'Nidistrobus belongs to Umkomasiaceae'
  • 'Nilsonia [misspelled as Nilssonia] belongs to Cycadales'
  • 'Nucellangium belongs to Cordaitanthaceae'
  • 'Nucicarpus belongs to Cardiolepidaceae'
  • 'Pachypteris belongs to Umkomasiaceae'
  • 'Palissyaceae belongs to Pinales'
  • 'Paragondwanidium belongs to Callistophytaceae'
  • 'Peltaspermaceae belongs to Peltaspermales'
  • 'Peltaspermales belongs to Ginkgoopsida'
  • 'Peltaspermum belongs to Peltaspermaceae'
  • 'Pentoxylaceae belongs to Pentoxylales'
  • 'Pentoxylales belongs to Ginkgoopsida'
  • 'Permotheca belongs to Peltaspermales'
  • 'Phylladoderma belongs to Cardiolepidaceae'
  • 'Pilophorosperma belongs to Umkomasiaceae'
  • 'Pinaceae belongs to Pinales'
  • 'Pinales belongs to Pinopsida'
  • 'Pinopsida belongs to Pinophyta'
  • 'Podocarpaceae belongs to Pinales'
  • 'Pseudotorelliaceae belongs to Ginkgoales'
  • 'Pterispermostrobus belongs to Peltaspermaceae'
  • 'Pteroma belongs to Umkomasiaceae'
  • 'Pteruchus belongs to Umkomasiaceae'
  • 'Ptilozamites belongs to Umkomasiaceae'
  • 'Rhaphidopteris belongs to Umkomasiaceae'
  • 'Rhexoxylon belongs to Umkomasiaceae'
  • 'Rufloria belongs to Rufloriaceae'
  • 'Rufloriaceae belongs to Cordaitanthales'
  • 'Samaropsis belongs to Cordaitanthales'
  • 'Scytophyllum belongs to Peltaspermaceae'
  • 'Sphenobaiera belongs to Peltaspermaceae'
  • 'Stenomyelon belongs to Calamopityaceae'
  • 'Stiphorus belongs to Peltaspermaceae'
  • 'Sylvella belongs to Vojnovskyaceae'
  • 'Tatarina belongs to Peltaspermaceae'
  • 'Taxaceae belongs to Pinales'
  • 'Taxodiaceae belongs to Pinales'
  • 'Trichopityaceae belongs to Peltaspermales'
  • 'Trichopitys belongs to Trichopityaceae'
  • 'Trigonocarpaceae belongs to Trigonocarpales'
  • 'Trigonocarpales belongs to Cycadopsida'
  • 'Umkomasia belongs to Umkomasiaceae'
  • 'Umkomasiaceae belongs to Peltaspermales'
  • 'Vittaephyllum belongs to Peltaspermaceae'
  • 'Vojnovskya belongs to Vojnovskyaceae'
  • 'Vojnovskyaceae belongs to Cordaitanthales'
  • 'Voltziaceae belongs to Pinales'
  • 'Welwitschiaceae belongs to Welwitschiales'
  • 'Welwitschiales belongs to Cycadopsida'
  • 'Williamsoniaceae belongs to Bennettitales'