Opinions from P. E. Raymond 1931
- 'Archaeocyathidae belongs to Porifera'
- 'Aulacera belongs to Beatricidae'
- 'Beatricea belongs to Beatricidae'
- 'Beatricea gracilis belongs to Beatricea' according to Foerste 1911
- 'Beatricea gracilis belongs to Beatricea'
- 'Cladophragmus belongs to Beatricidae'
- 'Cladophragmus bifurcatus belongs to Cladophragmus'
- 'Cryptophragmus belongs to Beatricidae'
- 'Cryptophragmus antiquatus belongs to Cryptophragmus' according to Raymond 1914
- 'Cryptophragmus antiquatus belongs to Cryptophragmus'
- 'Dalmanites townsendae belongs to Dalmanites'
- 'Ethmophyllum belongs to Archaeocyathidae'
- 'Ethmophyllum ceratodictyoides belongs to Ethmophyllum'
- 'Isotelus giganteus belongs to Isotelus'
- 'Mollisonia gracilis is recombined as Houghtonites gracilis'
- 'Myrianites murchisoni belongs to Myrianites' according to Emmons 1844
- 'Myrianites murchisoni is a subjective synonym of Nereites deweyi'
- 'Myrianites sillimani belongs to Myrianites' according to Emmons 1844
- 'Myrianites sillimani belongs to Myrianites' according to Emmons 1846
- 'Myrianites sillimani is a subjective synonym of Nereites deweyi'
- 'Nereites deweyi belongs to Nereites' according to Emmons 1844
- 'Nereites deweyi belongs to Nereites' according to Emmons 1846
- 'Nereites deweyi belongs to Nereites' according to Barrande 1861
- 'Nereites deweyi is recombined as Nereograpsus deweyi' according to Geinitz 1852
- 'Nereites deweyi belongs to Nereites'
- 'Nereites gracilis belongs to Nereites' according to Emmons 1844
- 'Nereites gracilis belongs to Nereites' according to Emmons 1846
- 'Nereites gracilis is recombined as Nereograpsus gracilis' according to Geinitz 1852
- 'Nereites gracilis belongs to Nereites'
- 'Nereites jacksoni belongs to Nereites' according to Emmons 1844
- 'Nereites jacksoni belongs to Nereites' according to Emmons 1846
- 'Nereites jacksoni is recombined as Nereograpsus jacksoni' according to Geinitz 1852
- 'Nereites jacksoni is recombined as Phyllodocites jacksoni'
- 'Nereites lanceolata belongs to Nereites' according to Emmons 1844
- 'Nereites lanceolata belongs to Nereites' according to Emmons 1846
- 'Nereites lanceolata is recombined as Nereograpsus lanceolata' according to Geinitz 1852
- 'Nereites lanceolata is corrected as Nereites lanceolatus and belongs to Nereites'
- 'Nereites loomisi belongs to Nereites' according to Packard 1900
- 'Nereites loomisi is recombined as Nereograpsus loomisi' according to Geinitz 1852
- 'Nereites loomisi is recombined as Crossopodia loomisi' according to McCoy 1855
- 'Nereites loomisi belongs to Nereites'
- 'Nereites loomisi belongs to Nereites' according to Emmons 1844
- 'Nereites loomisi belongs to Nereites' according to Emmons 1846
- 'Nereites pugnus is recombined as Phyllodocites pugnus'
- 'Nereites pugnus belongs to Nereites' according to Emmons 1844
- 'Nereites pugnus belongs to Nereites' according to Emmons 1846
- 'Nereites pugnus belongs to Nereites' according to Packard 1900
- 'Nereites pugnus is recombined as Nereograpsus pugnus' according to Geinitz 1852
- 'Petaloptyon danei belongs to Petaloptyon'
- 'Reteocrinidae belongs to Camerata'
- 'Reteocrinus belongs to Reteocrinidae'
- 'Reteocrinus elongatus belongs to Reteocrinus'
- 'Spirocyathidae belongs to Porifera'
- 'Spirocyathus belongs to Spirocyathidae'
- 'Spirocyathus constrictus belongs to Spirocyathus'
- 'Thamnobeatricea belongs to Beatricidae'
- 'Thamnobeatricea parallela belongs to Thamnobeatricea'