Opinions from D. V. Osadchaya et al. 1979

  • 'Abakanicyathus belongs to Archaeocyathida'
  • 'Alexandricyathus belongs to Ajacicyathida'
  • 'Alexandricyathus ultrus belongs to Alexandricyathus'
  • 'Arisacyathus belongs to Archaeocyathida'
  • 'Arisacyathus diligens belongs to Arisacyathus'
  • 'Arisacyathus secundus belongs to Arisacyathus'
  • 'Basanellus belongs to Trilobita'
  • 'Beldirella belongs to Trilobita'
  • 'Claruscyathus belongs to Archaeocyathida'
  • 'Clathricoscinus sanaschtykgolensis belongs to Clathricoscinus'
  • 'Clathricyathellus belongs to Regulares'
  • 'Coscinocyathus howelli is recombined as Nochoroicyathus howelli'
  • 'Denaecyathellus belongs to Ajacicyathida'
  • 'Dokidocyathus bogradiensis belongs to Dokidocyathus'
  • 'Eleganolimba is a subjective synonym of Tuvanella'
  • 'Ezhimia belongs to Trilobita'
  • 'Galinaecyathus belongs to Monocyathida'
  • 'Glabrella belongs to Trilobita'
  • 'Globosocyathus marinae belongs to Globosocyathus'
  • 'Granularia belongs to Trilobita'
  • 'Ivshiniellus belongs to Trilobita'
  • 'Juliaspis belongs to Trilobita'
  • 'Kandatocyathus belongs to Ajacicyathida'
  • 'Kandatocyathus kalleganovi belongs to Kandatocyathus'
  • 'Kotuyicyathellus belongs to Ajacicyathida'
  • 'Kotuyicyathellus minus belongs to Kotuyicyathellus'
  • 'Ladadiscus belongs to Trilobita'
  • 'Larecyathus belongs to Ajacicyathida'
  • 'Larecyathus infinitus belongs to Larecyathus'
  • 'Leptosocyathellus mirandus belongs to Leptosocyathellus'
  • 'Lermontoviella belongs to Trilobita'
  • 'Limataceps belongs to Trilobita'
  • 'Nochoroicyathellus belongs to Ajacicyathida'
  • 'Nochoroicyathellus activus belongs to Nochoroicyathellus'
  • 'Nochoroicyathus diadromus belongs to Nochoroicyathus'
  • 'Nochoroicyathus fragilis belongs to Nochoroicyathus'
  • 'Paleooryctocephalus belongs to Trilobita'
  • 'Piamaecyathus belongs to Ajacicyathida'
  • 'Planocephalus belongs to Trilobita'
  • 'Porocyathellus cyroflexus belongs to Porocyathellus'
  • 'Pretiosocyathellus belongs to Ajacicyathida'
  • 'Pretiosocyathellus toltschiensis belongs to Pretiosocyathellus'
  • 'Prismocyathus belongs to Archaeocyathida'
  • 'Pseudodegeletticyathellus belongs to Ajacicyathida'
  • 'Pseudotennericyathellus belongs to Ajacicyathida'
  • 'Pseudotennericyathellus latus belongs to Pseudotennericyathellus'
  • 'Pseudotennericyathellus nelliae belongs to Pseudotennericyathellus'
  • 'Rarocyathus rarus belongs to Rarocyathus'
  • 'Retecyathus belongs to Archaeocyathida'
  • 'Rhabdocyathella belongs to Monocyathida'
  • 'Sigmofungia diletata belongs to Sigmofungia'
  • 'Spirocyathus belongs to Archaeocyathida'
  • 'Subtumulocyathellus belongs to Ajacicyathida'
  • 'Subtumulocyathellus vulgaris belongs to Subtumulocyathellus'
  • 'Tannuolaspis is a subjective synonym of Pararaia'
  • 'Tegerocyathella expansiva belongs to Tegerocyathella'
  • 'Tegerocyathus karakolicus belongs to Tegerocyathus'
  • 'Tennericyathus veronicae belongs to Tennericyathus'
  • 'Tersicyathus belongs to Ajacicyathida'
  • 'Thalamocyathellus belongs to Ajacicyathida'
  • 'Thalamocyathellus inclinatus belongs to Thalamocyathellus'
  • 'Torosocyathellus belongs to Ajacicyathida'
  • 'Torosocyathellus torosus belongs to Torosocyathellus'
  • 'Trapezocephalina belongs to Trilobita'
  • 'Tumulocyathus raroseptatus belongs to Tumulocyathus'
  • 'Tumulocyathus subpustulatus belongs to Tumulocyathus'
  • 'Usumunaspis belongs to Trilobita'
  • 'Vadimocyathus belongs to Archaeocyathida'
  • 'Vadimocyathus chikinevae belongs to Vadimocyathus'
  • 'Voroninicyathus belongs to Ajacicyathida'
  • 'Voznesenskicyathus belongs to Archaeocyathida'