Opinions from W. Auffenberg 1963
- 'Bystra is replaced by Floridemys' according to Williams 1950
- 'Bystra is replaced by Floridemys'
- 'Bystra nana belongs to Bystra' according to O. P. Hay 1916
- 'Bystra nana is recombined as Floridemys nanus' according to Williams 1950
- 'Bystra nana is recombined as Floridemys nanus'
- 'Cymatholcus [misspelled as Cymotholcus] belongs to Testudinidae'
- 'Cymatholcus longus [misspelled as Cymotholcus longus] belongs to Cymotholcus'
- 'Floridemys belongs to Testudinidae'
- 'Geochelone (Caudochelys) belongs to Geochelone'
- 'Geochelone (Hesperotestudo) johnstoni belongs to Geochelone (Hesperotestudo)'
- 'Hadrianus schucherti is recombined as Cymatholcus schucherti'
- 'Stylemys calaverensis belongs to Stylemys'
- 'Stylemys conspecta belongs to Stylemys'
- 'Testudo (Hesperotestudo) is reassigned into Geochelone'
- 'Testudo amphithorax is recombined as Geochelone (Hesperotestudo) amphithorax'
- 'Testudo angusticeps is recombined as Geochelone (Hesperotestudo) angusticeps'
- 'Geochelone annae is a nomen dubium'
- 'Testudo arenivaga is recombined as Geochelone (Caudochelys) arenivaga'
- 'Testudo brontops is recombined as Geochelone (Hesperotestudo) brontops'
- 'Testudo copei is recombined as Gopherus copei'
- 'Testudo crassiscutata is recombined as Geochelone (Caudochelys) crassiscutata'
- 'Geochelone cultrata is a nomen dubium'
- 'Testudo distans belongs to Testudo' according to O. P. Hay 1916
- 'Testudo distans is a subjective synonym of Geochelone (Caudochelys) crassiscutata'
- 'Geochelone ducatelli is a nomen dubium'
- 'Testudo emiliae is recombined as Gopherus emiliae'
- 'Testudo equicomes is recombined as Geochelone (Hesperotestudo) equicomes'
- 'Geochelone exornata is a nomen dubium'
- 'Geochelone farri is a nomen dubium'
- 'Geochelone francisi is a nomen dubium'
- 'Geochelone gilberti is a nomen dubium'
- 'Testudo hayi is recombined as Geochelone (Caudochelys) hayi'
- 'Testudo hayi is recombined as Gopherus hayi' according to Williams 1950
- 'Testudo impensa is recombined as Geochelone (Hesperotestudo) impensa'
- 'Testudo incisa is recombined as Geochelone (Hesperotestudo) incisa'
- 'Testudo kalganensis is recombined as Geochelone (Hesperotestudo) kalganensis'
- 'Geochelone klettiana is a nomen dubium'
- 'Testudo laticaudata is recombined as Geochelone (Caudochelys) laticaudata'
- 'Testudo ligonius is recombined as Geochelone (Caudochelys) ligonia'
- 'Testudo louisekressmani is a subjective synonym of Geochelone (Caudochelys) hayi'
- 'Testudo luciae is a subjective synonym of Geochelone (Caudochelys) crassiscutata'
- 'Testudo munda is a subjective synonym of Testudo carolina'
- 'Testudo ocalana is a subjective synonym of Geochelone (Caudochelys) crassiscutata'
- 'Testudo ocalana is recombined as Gopherus ocalana' according to Williams 1950
- 'Testudo osborniana is recombined as Geochelone (Hesperotestudo) osborniana'
- 'Geochelone peragrans is a nomen dubium'
- 'Testudo primaeva is recombined as Geochelone primaeva'
- 'Geochelone quadrata is a nomen dubium'
- 'Testudo rexroadensis belongs to Testudo' according to Oelrich 1952
- 'Testudo rexroadensis is recombined as Geochelone (Caudochelys) rexroadensis'
- 'Testudo riggsi is recombined as Geochelone (Hesperotestudo) riggsi'
- 'Testudo sellardsi is a subjective synonym of Geochelone (Caudochelys) crassiscutata'
- 'Testudo tedwhitei is recombined as Geochelone (Caudochelys) tedwhitei'
- 'Geochelone thompsoni is a nomen dubium'
- 'Testudo turgida is recombined as Geochelone (Hesperotestudo) turgida'
- 'Geochelone undata is a nomen dubium'
- 'Testudo wilsoni is recombined as Geochelone (Hesperotestudo) wilsoni'
- 'Xerobates orthopygius is recombined as Geochelone (Hesperotestudo) orthopygia'