Opinions from R. Lydekker 1889
- 'Acichelyidae belongs to Cryptodira'
- 'Acichelys belongs to Acichelyidae'
- 'Allopleuron is a subjective synonym of Chelone'
- 'Amphichelydia belongs to Testudinata'
- 'Amyda is corrected as Emyda and belongs to Emydinae'
- 'Anosteira [misspelled as Anostira] belongs to Anostirinae'
- 'Anosteira anglica belongs to Anosteira' according to Lydekker 1889
- 'Anosteirinae [misspelled as Anostirinae] belongs to Chelydridae'
- 'Anosteirinae is corrected as Anostirinae and belongs to Chelydridae'
- 'Archaeochelys belongs to Amphichelydia'
- 'Archaeochelys valdensis belongs to Archaeochelys'
- 'Argillochelys belongs to Chelonidae'
- 'Aspidonectes is a subjective synonym of Trionyx'
- 'Athecae is corrected as Athecata and belongs to Testudinata'
- 'Aulacochelys belongs to Trionychinae'
- 'Axestus is a subjective synonym of Trionyx'
- 'Batagur bakeri is a subjective synonym of Cachuga lineata'
- 'Batagur durandi belongs to Batagur' according to Lydekker 1885
- 'Batagur durandi is a subjective synonym of Cachuga dhongoka'
- 'Bellia belongs to Testudinidae'
- 'Cachuga belongs to Testudinidae'
- 'Chelodina belongs to Chelyidae'
- 'Chelone belongs to Chelonidae'
- 'Chelone acuticeps is a subjective synonym of Lytoloma trigoniceps'
- 'Chelone antiqua is recombined as Argillochelys antiqua'
- 'Chelone camperi is a subjective synonym of Allopleuron hoffmanni'
- 'Chelone convexa is recombined as Argillochelys convexa'
- 'Chelone crassicostata is recombined as Puppigerus crassicostatus' according to Cope 1870
- 'Chelone crassicostata belongs to Chelone' according to Owen 1849
- 'Chelone crassicostata is recombined as Lytoloma crassicostatum'
- 'Chelone declivis belongs to Chelone' according to Owen 1849
- 'Chelone declivis is a subjective synonym of Argillochelys convexa'
- 'Chelone girundica belongs to Chelone' according to Delfortrie 1869
- 'Chelone girundica belongs to Chelone'
- 'Chelone jessoni belongs to Chelone'
- 'Puppigerus latiscutatus is a subjective synonym of Lytoloma crassicostatum'
- 'Chelone longiceps is recombined as Lytoloma longiceps'
- 'Chelone planimentum is recombined as Lytoloma planimentum'
- 'Chelone pulchriceps is recombined as Rhinochelys pulchriceps'
- 'Chelone subcarinata belongs to Chelone' according to Owen and Bell 1849
- 'Chelone subcarinata is a subjective synonym of Argillochelys subcristata'
- 'Chelone subcristata is recombined as Argillochelys subcristata'
- 'Chelone trigoniceps is recombined as Lytoloma trigoniceps'
- 'Chelonia hoffmanni belongs to Chelonia'
- 'Cheloniidae is corrected as Chelonidae and belongs to Cryptodira'
- 'Chelydra belongs to Chelydrinae'
- 'Chelydra decheni belongs to Chelydra'
- 'Chelydra murchisoni belongs to Chelydra'
- 'Chelydridae belongs to Cryptodira'
- 'Chelydrinae belongs to Chelydridae'
- 'Chelytherium belongs to Amphichelydia'
- 'Chelytherium obscurum belongs to Chelytherium' according to Meyer 1889
- 'Chelytherium obscurum belongs to Chelytherium'
- 'Chitra belongs to Trionychinae'
- 'Chitra indica belongs to Chitra' according to Gray 1831
- 'Chitra indica belongs to Chitra'
- 'Chrysemys belongs to Testudinidae'
- 'Clemmys sivalensis is recombined as Bellia sivalensis'
- 'Clemmys theobaldi is recombined as Bellia theobaldi'
- 'Cryptodira was reranked as a unranked clade and belongs to Testudinata'
- 'Dacochelys belongs to Pelomedusidae'
- 'Damonia belongs to Testudinidae'
- 'Dermatemydidae belongs to Cryptodira'
- 'Dermochelyidae belongs to Athecata'
- 'Digerrhum is a subjective synonym of Pleurosternum'
- 'Emyda ceylonensis belongs to Emyda' according to Gray 1855
- 'Emyda ceylonensis is a subjective synonym of Emyda vittata'
- 'Emyda vittata belongs to Emyda' according to Peters 1854
- 'Emyda vittata belongs to Emyda'
- 'Emydinae belongs to Trionychidae'
- 'Emydura belongs to Chelyidae'
- 'Emys belongs to Testudinidae'
- 'Emys benstedi belongs to Emys' according to Mantell 1842
- 'Emys benstedi is recombined as Chelone benstedi'
- 'Emys bicarinata is recombined as Chrysemys bicarinata'
- 'Emys comptoni is recombined as Homopus comptoni'
- 'Emys comptoni belongs to Emys' according to Owen and Bell 1849
- 'Emys crassus is recombined as Ocadia crassa'
- 'Emys delabechei belongs to Emys' according to Bell 1849
- 'Emys delabechei is recombined as Dacochelys delabechei'
- 'Emys dhongoka is recombined as Cachuga dhongoka'
- 'Emys hamiltoni belongs to Emys' according to Gray 1831
- 'Emys hamiltoni is recombined as Damonia hamiltoni'
- 'Emys laevis belongs to Emys' according to Bell 1849
- 'Emys laevis is a subjective synonym of Podocnemis bowerbanki'
- 'Emys lineata is recombined as Cachuga lineata'
- 'Emys nicoleti is recombined as Ocadia nicoleti'
- 'Emys scutella belongs to Emys' according to Meyer 1845
- 'Emys scutella is recombined as Homopus scutella'
- 'Emys tecta is recombined as Cachuga tectum'
- 'Emys testudiniformis is recombined as Chrysemys testudiniformis'
- 'Emys thurgi is recombined as Hardella thurgi'
- 'Eurysternum wagleri is recombined as Acichelys redenbacheri' according to Meyer 1854
- 'Eurysternum wagleri is recombined as Acichelys redenbacheri'
- 'Geoemyda tricarinata belongs to Geoemyda' according to Blyth 1856
- 'Geoemyda tricarinata is recombined as Nicoria tricarinata'
- 'Geoemyda tricarinata is recombined as Chaibassia tricarinata' according to Theobald 1876
- 'Hardella belongs to Testudinidae'
- 'Homopus belongs to Testudinidae'
- 'Hydraspis belongs to Chelyidae'
- 'Hydraspis macquarii belongs to Hydraspis' according to Gray 1831
- 'Hydraspis macquarii is recombined as Emydura macquariae'
- 'Hylaeochelys belongs to Plesiochelyidae'
- 'Idiochelys belongs to Plesiochelyidae'
- 'Idiochelys fitzingeri belongs to Idiochelys'
- 'Lytoloma belongs to Chelonidae'
- 'Lytoloma cantabrigiense belongs to Lytoloma'
- 'Meiolania [misspelled as Miolania] belongs to Miolaniidae'
- 'Meiolania minor is a subjective synonym of Meiolania platyceps'
- 'Meiolania oweni belongs to Meiolania' according to Smith Woodward 1888
- 'Meiolania oweni belongs to Meiolania'
- 'Meiolania platyceps [misspelled as Miolania platyceps] belongs to Miolania' according to Owen 1886
- 'Meiolania platyceps [misspelled as Miolania platyceps] belongs to Miolania'
- 'Miolaniidae belongs to Pleurodira'
- 'Nicoria belongs to Testudinidae'
- 'Notochelone belongs to Chelonidae'
- 'Notochelys is replaced by Notochelone'
- 'Notochelys costata is recombined as Notochelone costata'
- 'Ocadia belongs to Testudinidae'
- 'Ocadia oweni belongs to Ocadia'
- 'Euclastes gosseleti is a subjective synonym of Lytoloma crassicostatum'
- 'Pachyrhynchus gosseleti is recombined as Euclastes gosseleti' according to Dollo 1888
- 'Palaeochelys belongs to Testudinidae'
- 'Palaeochelys bussenensis belongs to Palaeochelys'
- 'Parachelys belongs to Plesiochelyidae'
- 'Parachelys eichstaettensis belongs to Parachelys' according to Meyer 1864
- 'Parachelys eichstaettensis belongs to Parachelys'
- 'Pelobatochelys belongs to Acichelyidae'
- 'Pelobatochelys blakii [misspelled as Pelobatochelys blakei] belongs to Pelobatochelys'
- 'Pelomedusidae belongs to Pleurodira'
- 'Peltochelys duchastelii is a subjective synonym of Tretosternum bakewelli'
- 'Plastomenus is a subjective synonym of Trionyx'
- 'Plastremys lata belongs to Plastremys' according to Owen 1881
- 'Plastremys lata is recombined as Hylaeochelys lata'
- 'Platemys bowerbanki is recombined as Podocnemis bowerbanki'
- 'Platemys bullockii is recombined as Pleurosternum bullocki'
- 'Platychelys belongs to Pleurosternidae'
- 'Platychelys anglica belongs to Platychelys'
- 'Platychelys oberndorferi belongs to Platychelys'
- 'Plesiochelyidae belongs to Pleurodira'
- 'Plesiochelys belongs to Plesiochelyidae'
- 'Plesiochelys solodurensis belongs to Plesiochelys'
- 'Plesiochelys valdensis belongs to Plesiochelys'
- 'Pleurodira was reranked as a unranked clade and belongs to Testudinata'
- 'Pleurosternidae belongs to Amphichelydia'
- 'Pleurosternon [misspelled as Pleurosternum] belongs to Pleurosternidae'
- 'Pleurosternum concinnum is a subjective synonym of Pleurosternum bullocki'
- 'Pleurosternon latiscutatum is recombined as Hylaeochelys latiscutata'
- 'Pleurosternum ovatum is a subjective synonym of Pleurosternum bullockii'
- 'Pleurosternum portlandicum belongs to Pleurosternum'
- 'Podocnemis belongs to Pelomedusidae'
- 'Protochelys belongs to Amphichelydia'
- 'Pseudotrionyx belongs to Anostirinae'
- 'Pseudotrionyx delheidi belongs to Pseudotrionyx' according to Dollo 1847
- 'Pseudotrionyx delheidi belongs to Pseudotrionyx'
- 'Ptychogaster belongs to Testudinidae'
- 'Ptychogaster cayluxensis belongs to Ptychogaster'
- 'Ptychogaster emydoides belongs to Ptychogaster' according to Pomel 1847
- 'Ptychogaster emydoides belongs to Ptychogaster'
- 'Ptychogaster pomeli belongs to Ptychogaster'
- 'Rhinochelys belongs to Pleurodira'
- 'Rhinochelys brachyrhina belongs to Rhinochelys'
- 'Rhinochelys cantabrigiensis belongs to Rhinochelys'
- 'Rhinochelys elegans belongs to Rhinochelys'
- 'Rhinochelys jessoni belongs to Rhinochelys'
- 'Rhinochelys macrorhina belongs to Rhinochelys'
- 'Stylemys belongs to Testudinidae'
- 'Stylemys hannoverana is recombined as Plesiochelys hannoverana'
- 'Stylemys nebrascensis is recombined as Testudo nebrascensis' according to Leidy 1851
- 'Stylemys nebrascensis belongs to Stylemys'
- 'Taphrosphys belongs to Pelomedusidae'
- 'Testudinata was reranked as a suborder and belongs to Chelonia'
- 'Testudinidae belongs to Cryptodira'
- 'Testudo belongs to Testudinidae'
- 'Testudo atlas belongs to Testudo' according to Falconer and Cautley 1844
- 'Testudo atlas belongs to Testudo'
- 'Testudo cautleyi belongs to Testudo'
- 'Testudo escheri belongs to Testudo' according to Pictet and Humbert 1856
- 'Testudo escheri belongs to Testudo'
- 'Testudo eurysternum belongs to Testudo' according to Gervais 1848
- 'Testudo eurysternum belongs to Testudo'
- 'Testudo larteti belongs to Testudo' according to Pictet 1853
- 'Testudo larteti belongs to Testudo'
- 'Testudo leithii is recombined as Hydraspis leithi'
- 'Testudo longicollis belongs to Testudo' according to Shaw 1802
- 'Testudo longicollis is recombined as Chelodina longicollis'
- 'Testudo orbicularis belongs to Testudo'
- 'Testudo punjabiensis belongs to Testudo'
- 'Testudo robusta belongs to Testudo' according to Leith-Adams 1877
- 'Testudo robusta belongs to Testudo'
- 'Testudo sloanei belongs to Testudo'
- 'Testudo spratti belongs to Testudo'
- 'Testudo spratti belongs to Testudo' according to Leith-Adams 1877
- 'Testudo stricklandi is recombined as Protochelys stricklandi'
- 'Thalassemys belongs to Acichelyidae'
- 'Thalassemys hugii belongs to Thalassemys'
- 'Thalassemys ruetimeyeri belongs to Thalassemys'
- 'Thalassochelys belongs to Chelonidae'
- 'Thalassochelys eocaenica belongs to Thalassochelys' according to Lydekker 1889
- 'Trachyaspis belongs to Dermatemydidae'
- 'Trachyaspis lardyi belongs to Trachyaspis'
- 'Tretosterninae belongs to Chelydridae'
- 'Tretosternon [misspelled as Tretosternum] belongs to Tretosterninae'
- 'Tretosternon punctatum is recombined as Tretosternum punctatum'
- 'Trionychidae belongs to Trionychoidea'
- 'Trionychinae belongs to Trionychidae'
- 'Trionychoidea belongs to Testudinata'
- 'Trionyx belongs to Trionychinae'
- 'Trionyx aquitanicus belongs to Trionyx' according to Delfortrie 1869
- 'Trionyx aquitanicus belongs to Trionyx'
- 'Trionyx bakewelli is recombined as Tretosternum bakewelli'
- 'Trionyx barbarae belongs to Trionyx' according to Owen 1849
- 'Trionyx barbarae belongs to Trionyx'
- 'Trionyx bowerbanki belongs to Trionyx'
- 'Trionyx circumsulcatus belongs to Trionyx' according to Owen 1849
- 'Trionyx gangeticus belongs to Trionyx' according to Cuvier 1824
- 'Trionyx gangeticus belongs to Trionyx'
- 'Trionyx gergensi is recombined as Aspidonectes gergensi' according to Meyer 1844
- 'Trionyx gergensi belongs to Trionyx'
- 'Trionyx henrici belongs to Trionyx' according to Owen 1849
- 'Trionyx henrici belongs to Trionyx'
- 'Trionyx hurum belongs to Trionyx' according to Gray 1831
- 'Trionyx hurum belongs to Trionyx'
- 'Trionyx hurum sivalensis belongs to Trionyx hurum' according to Gray 1831
- 'Trionyx hurum sivalensis belongs to Trionyx hurum'
- 'Trionyx incrassatus belongs to Trionyx' according to Owen 1849
- 'Trionyx incrassatus belongs to Trionyx'
- 'Trionyx indicus belongs to Trionyx' according to Gray 1831
- 'Trionyx indicus is a subjective synonym of Chitra indica'
- 'Trionyx parisiensis belongs to Trionyx' according to Meyer 1832
- 'Trionyx parisiensis belongs to Trionyx'
- 'Trionyx phayrei belongs to Trionyx'
- 'Trionyx phayrei belongs to Trionyx' according to Theobald 1868
- 'Trionyx planus belongs to Trionyx' according to Owen 1849
- 'Trionyx planus belongs to Trionyx'
- 'Trionyx rivosus belongs to Trionyx'
- 'Trionyx rivosus belongs to Trionyx' according to Owen 1849
- 'Trionyx vittatus belongs to Trionyx' according to Pommel 1847
- 'Trionyx vittatus belongs to Trionyx'
- 'Tropidemys belongs to Acichelyidae'
- 'Tropidemys langii belongs to Tropidemys'