Opinions from C. J. Duffin and M. Ginter 2006
- 'Cladodus belongs to Ctenacanthidae'
- 'Cladodus acutus is a subjective synonym of Cladodus marginatus'
- 'Cladodus basalis belongs to Cladodus' according to Davis 1883
- 'Cladodus basalis is a subjective synonym of Cladodus mirabilis'
- 'Cladodus bellifer belongs to Cladodus' according to St John and Worthen 1875
- 'Cladodus bellifer belongs to Cladodus'
- 'Cladodus conicus is a nomen dubium'
- 'Cladodus corrugatus belongs to Cladodus' according to Croneis 1927
- 'Cladodus corrugatus is a subjective synonym of Saivodus striatus'
- 'Cladodus curtus belongs to Cladodus' according to Davis 1883
- 'Cladodus curtus is a subjective synonym of Saivodus striatus'
- 'Cladodus curvus belongs to Cladodus' according to Davis 1883
- 'Cladodus curvus is a nomen dubium'
- 'Cladodus eccentricus belongs to Cladodus' according to St John and Worthen 1875
- 'Cladodus eccentricus is a subjective synonym of Saivodus striatus'
- 'Cladodus elegans belongs to Cladodus' according to Newberry and Worthen 1870
- 'Cladodus elegans belongs to Cladodus'
- 'Cladodus elongatus belongs to Cladodus' according to Davis 1883
- 'Cladodus elongatus is a subjective synonym of Saivodus striatus'
- 'Cladodus ferox belongs to Cladodus' according to Newberry and Worthen 1866
- 'Cladodus ferox is a subjective synonym of Saivodus striatus'
- 'Cladodus grandis is a subjective synonym of Saivodus striatus'
- 'Cladodus hibberti is a nomen dubium'
- 'Cladodus hornei belongs to Cladodus' according to Davis 1883
- 'Cladodus hornei is a subjective synonym of Saivodus striatus'
- 'Cladodus intercostatus belongs to Cladodus' according to St John and Worthen 1875
- 'Cladodus intercostatus is a subjective synonym of Cladodus elegans'
- 'Cladodus laevis is a subjective synonym of Cladodus marginatus'
- 'Cladodus magnificus is a subjective synonym of Saivodus striatus'
- 'Cladodus marginatus belongs to Cladodus'
- 'Cladodus milleri is a nomen dubium'
- 'Cladodus mirabilis belongs to Cladodus'
- 'Cladodus mucronatus belongs to Cladodus' according to Davis 1883
- 'Cladodus mucronatus is a subjective synonym of Cladodus elegans'
- 'Cladodus occidentalis is recombined as Glikmanius occidentalis'
- 'Cladodus parvus is a nomen dubium'
- 'Cladodus praenuntius belongs to Cladodus' according to St John and Worthen 1875
- 'Cladodus praenuntius is a subjective synonym of Cladodus bellifer'
- 'Cladodus prototypus is a subjective synonym of Saivodus striatus'
- 'Cladodus prototypus belongs to Cladodus' according to Eastman 1907
- 'Cladodus spinosus is a subjective synonym of Saivodus striatus'
- 'Cladodus splendens belongs to Cladodus' according to Newberry 1897
- 'Cladodus splendens is a subjective synonym of Cladodus mirabilis'
- 'Cladodus stenopus belongs to Cladodus' according to Newberry and Worthen 1866
- 'Cladodus stenopus is a subjective synonym of Saivodus striatus'
- 'Cladodus striatus is recombined as Saivodus striatus'
- 'Cladodus vanhornei belongs to Cladodus' according to St John and Worthen 1875
- 'Cladodus vanhornei belongs to Cladodus'
- 'Ctenacanthidae belongs to Ctenacanthiformes'
- 'Ctenacanthus belongs to Ctenacanthidae'
- 'Saivodus belongs to Ctenacanthidae'
- 'Tamiobatis belongs to Ctenacanthidae'