Opinions from D. F. Wright et al. 2017
- 'Ampelocrinida belongs to Cladida'
- 'Apektocrinus belongs to Pentacrinoidea'
- 'Articulata was reranked as a infraorder and belongs to Eucladida'
- 'Calceocrinida belongs to Disparida'
- 'Camerata belongs to Crinoidea'
- 'Cladida was reranked as a unranked clade and belongs to Inadunata'
- 'Comatulida belongs to Articulata'
- 'Cupulocrinus belongs to Flexibilia'
- 'Cyathocrinina was reranked as the order Cyathocrinida and belongs to Cyathoformes'
- 'Cyathoformes belongs to Eucladida'
- 'Cyrtocrinida belongs to Articulata'
- 'Dendrocrinida belongs to Cyathoformes'
- 'Diplobathrida belongs to Eucamerata'
- 'Disparida was reranked as a superorder and belongs to Inadunata'
- 'Eknomocrinus belongs to Camerata'
- 'Encrinida belongs to Articulata'
- 'Eucamerata belongs to Camerata'
- 'Eucladida belongs to Cladida'
- 'Eustenocrinida belongs to Disparida'
- 'Flexibilia was reranked as a superorder and belongs to Cladida'
- 'Holocrinida was reranked as a order and belongs to Articulata'
- 'Holocrinidae belongs to Holocrinida'
- 'Homocrinida belongs to Disparida'
- 'Hybocrinida belongs to Porocrinoidea'
- 'Hyocrinina was reranked as the order Hyocrinida and belongs to Articulata'
- 'Inadunata was reranked as a infraclass and belongs to Pentacrinoidea'
- 'Isocrinida belongs to Articulata'
- 'Maennilicrinida belongs to Disparida'
- 'Millericrinida belongs to Articulata'
- 'Monobathrida belongs to Eucamerata'
- 'Myelodactylida belongs to Disparida'
- 'Pentacrinoidea belongs to Crinoidea'
- 'Pisocrinoidea belongs to Disparida'
- 'Porocrinida belongs to Porocrinoidea'
- 'Porocrinoidea belongs to Cladida'
- 'Poteriocrinina was reranked as a order and belongs to Cyathoformes'
- 'Protocrinoidea belongs to Crinoidea'
- 'Roveacrinida belongs to Articulata'
- 'Sagenocrinida belongs to Flexibilia'
- 'Taxocrinida belongs to Flexibilia'
- 'Tetragonocrinida belongs to Disparida'
- 'Uintacrinida belongs to Articulata'