Opinions from K. E. Mikhailov 2000
- 'Dendroolithidae belongs to Therizinosauroidea'
- 'Dendroolithus belongs to Dendroolithidae'
- 'Dendroolithus microporosus belongs to Dendroolithus' according to K. E. Mikhaillov 1994
- 'Dendroolithus microporosus belongs to Dendroolithus'
- 'Dendroolithus verrucarius belongs to Dendroolithus' according to K. E. Mikhaillov 1994
- 'Dendroolithus verrucarius belongs to Dendroolithus'
- 'Dendroolithus wangdianensis belongs to Dendroolithus'
- 'Elongatoolithus belongs to Elongatoolithidae'
- 'Elongatoolithus andrewsi belongs to Elongatoolithus'
- 'Elongatoolithus excellens belongs to Elongatoolithus'
- 'Elongatoolithus frustrabilis belongs to Elongatoolithus'
- 'Elongatoolithus magnus belongs to Elongatoolithus' according to Zen and Zhang 1979
- 'Elongatoolithus magnus belongs to Elongatoolithus'
- 'Elongatoolithus sigillarius belongs to Elongatoolithus'
- 'Elongatoolithus subtitectorius belongs to Elongatoolithus'
- 'Faveoloolithidae belongs to Sauropoda'
- 'Faveoloolithus belongs to Faveoloolithidae'
- 'Faveoloolithus ningxiaensis belongs to Faveoloolithus'
- 'Gobioolithus belongs to Gobioolithidae'
- 'Gobioolithus maior [misspelled as Gobioolithus major] belongs to Gobioolithus'
- 'Gobioolithus minor belongs to Gobioolithus'
- 'Laevisoolithus belongs to Laevisoolithidae'
- 'Laevisoolithus sochavai belongs to Laevisoolithus'
- 'Macroolithus belongs to Elongatoolithidae'
- 'Macroolithus mutabilis belongs to Macroolithus'
- 'Macroolithus yaotunensis belongs to Macroolithus'
- 'Oblongoolithus belongs to Oblongoolithidae'
- 'Oblongoolithus glaber belongs to Oblongoolithus'
- 'Oolithes chiangchiungtingensis is recombined as Spheroolithus chiangchiungtingensis'
- 'Oolithes chinkangkouensis is recombined as Ovaloolithus chinkangkouensis'
- 'Oolithes elongatus is recombined as Elongatoolithus elongatus'
- 'Oolithes irenensis is recombined as Spheroolithus irenensis'
- 'Oolithes laminadermus is recombined as Ovaloolithus laminadermus'
- 'Oolithes megadermus is recombined as Spheroolithus megadermus'
- 'Oolithes rugustus is recombined as Macroolithus rugustus'
- 'Ovaloolithidae belongs to Hadrosauroidea'
- 'Ovaloolithus belongs to Ovaloolithidae'
- 'Ovaloolithus dinornithoides belongs to Ovaloolithus' according to K. E. Mikhaillov 1994
- 'Ovaloolithus dinornithoides belongs to Ovaloolithus'
- 'Ovaloolithus mixistriatus [misspelled as Ovaloolithus mixtistriatus] belongs to Ovaloolithus'
- 'Ovaloolithus monostriatus belongs to Ovaloolithus'
- 'Ovaloolithus tristriatus belongs to Ovaloolithus'
- 'Paraspheroolithus is a subjective synonym of Spheroolithus'
- 'Parvoolithus tortuosus belongs to Parvoolithus'
- 'Protoceratopsidovum belongs to Prismatoolithidae'
- 'Protoceratopsidovum fluxuosum belongs to Protoceratopsidovum'
- 'Protoceratopsidovum minimum belongs to Protoceratopsidovum'
- 'Protoceratopsidovum sincerum belongs to Protoceratopsidovum'
- 'Spheroolithidae belongs to Hadrosauroidea'
- 'Spheroolithus belongs to Spheroolithidae'
- 'Spheroolithus maiasauroides belongs to Spheroolithus' according to K. E. Mikhaillov 1994
- 'Spheroolithus maiasauroides belongs to Spheroolithus'
- 'Spheroolithus tenuicorticus belongs to Spheroolithus' according to K. E. Mikhaillov 1994
- 'Spheroolithus tenuicorticus belongs to Spheroolithus'
- 'Subtiliolithidae is a subjective synonym of Laevisoolithidae'
- 'Subtiliolithus belongs to Laevisoolithidae'
- 'Subtiliolithus microtuberculatus belongs to Subtiliolithus'
- 'Trachoolithus belongs to Elongatoolithidae'
- 'Trachoolithus faticanus belongs to Trachoolithus'