Opinions from P. M. Gilliland 1993
- 'Acanthotheelia belongs to Myriotrochidae'
- 'Achistridae belongs to Apodida'
- 'Apodida belongs to Holothuroidea'
- 'Arthrochirota is corrected as Arthrochirotida and belongs to Holothuroidea'
- 'Aspidochirotida belongs to Holothuroidea'
- 'Auricularites belongs to Synaptitidae'
- 'Caudinidae belongs to Molpadiida'
- 'Chiridotidae belongs to Apodida'
- 'Cucumariidae belongs to Dendrochirotida'
- 'Dactylochirotida belongs to Holothuroidea'
- 'Deimatidae belongs to Elasipoda'
- 'Dendrochirotida belongs to Holothuroidea'
- 'Elasipodida is corrected as Elasipoda and belongs to Holothuroidea'
- 'Gephyrothuriidae belongs to Molpadiida'
- 'Holothuriidae belongs to Aspidochirotida'
- 'Laetmogonidae belongs to Elasipoda'
- 'Molpadiida belongs to Holothuroidea'
- 'Molpadiidae belongs to Molpadiida'
- 'Myriotrochidae belongs to Apodida'
- 'Paleochiridota belongs to Paleochiridotidae'
- 'Paleochiridotidae belongs to Holothuroidea'
- 'Phyllophoridae belongs to Dendrochirotida'
- 'Psolidae belongs to Dendrochirotida'
- 'Psychropotidae belongs to Elasipoda'
- 'Rota belongs to Paleochiridotidae'
- 'Rotoides belongs to Paleochiridotidae'
- 'Sclerodactylidae belongs to Dendrochirotida'
- 'Stichopodidae belongs to Aspidochirotida'
- 'Synallactidae belongs to Aspidochirotida'
- 'Synaptidae belongs to Apodida'
- 'Thalattocanthus [misspelled as Thallatocanthus] belongs to Myriotrochidae'
- 'Theelia belongs to Apodida'
- 'Ypsilothuriidae belongs to Dactylochirotida'