After Meylan & Ganko, 1997

<==o †Paracryptodira [=? Pleurosternoidea Hay, 1930]
   |?-o †Kallokibotiidae
   |  `-- †Kallokibotium bajazidi
   |?-o †Mongolochelyidae Sukhanov & Pozdnjakov, in press
   |  `--o †Mongolochelys Khozatskii, 1997, U. Cret. EAs.
   |     |-- †M. sp.
   |     `-- †M. efremovi Khozatskii, 1997
   |?-o †Solemydidae de Lapparent de Broin & Murelaga, 1996
   |  |?- †Plastremys lata Owen, in Parkinson, 1881 [Hylaeochelys lata (Owen) Milner, 2004]
   |  |--o †Helochelydra Nopcsa, 1928 [=? †Helochelys]
   |  |  |-- †H. nopcsai de Lapparent de Broin & Murelaga, 1999
   |  |  |-- †H. bakewelli (Mantell, 1833) Milner, 2004
   |  |  `-- †H. anglica (Lydekker, 1889b) Milner, 2004
   |  |-- †Naomichelys speciosa Hay, 1908
   |  `-- †Solemys vermiculata de Lapparent de Broin and Murelaga 1996
   |--o †Pleurosternidae Cope, 1868 [incl. ?Chengyuchelyidae Yeh, 1990]
   |  |?- †Chengyuchelys [Chengyuchelyidae Yeh, 1990]
   |  |?- †Uluops uluops Bakker, 1990
   |  |--o †Pleurosternon Owen, 1853 [taxonomic history]
   |  |  |-- †P. bullockii (Owen, 1842) Lydekker & Boulenger, 1887 [taxonomic history]
   |  |  `-- †P. portlandicum
   |  |?- †Compsemys
   |  `--+--o †“Glyptopsinae” Marsh, 1890 [Glyptopsidae Marsh, 1890]
   |     |  |?- †Mesochelys durlstonensis Evans & Kemp, 1975 [treated as a synonym of Pleurosternon by Milner (2004)]
   |     |  `--o †Glyptops Marsh, 1890 [taxonomic history]
   |     |     |?- †“Glyptopstypocardium (Seeley, 1869) Milner, 2004 [taxonomic history]
   |     |     |-- †G. plicatulus (Cope, 1877) Marsh, 1890 [taxonomic history]
   |     |     `-- †G. ruetimeyeri (Lydekker, 1889b) [taxonomic history]
   |     `--o †“Dinochelinae”
   |        |-- †Desmemys bertelsmanni Wegner, 1911
   |        `-- †Dinochelys whitei Gaffney, 1979
   `--o †Baenoidea [Baenidae sensu lato] [paraphyletic??]
      |--o †Neurankylidae
      |  |-- †Thescelus
      |  |?- †Compsemys [treated as a pleurosternid by Milner (2004)]
      |  `-- †Neurankylus eximius Lambe, 1902
      `--+?- †Macrobaenidae Sukhanov, 1964
         `--o †Baenidae Cope, 1882
            |-- †Baena arenosa Leidy, 1890
            |-- †Chisternon undatum
            |-- †Dorsetochelys delairi Evans & Kemp, 1976 [Cryptodira incertae sedis (Milner, 2004)]
            |-- †Hayemys
            |-- †Palatobaena gaffneyi
            |-- †Trinitichelys
            `--o †Baenodda Gaffney & Meylan, 1988 [Eubaeninae]
               |--o †Plesiobaena Gaffney, 1972
               |  |-- †P. antiqua (Lambe, 1902) [Baena antiqua Lambe, 1902; Baena antiqua Lambe; Russell, 1934; Plesiobaena antigua (Lambe); Gaffney, 1972 (in partim)]; U. Cret. NA.
               |  `--+-- †P. sp. U. Cret. NA. [Maastrichian species (Brinkman, 2003)]
               |     `-- †P. putorius Pal. NA.
               `--+-- †Stygiochelys
                  `--+-- †Eubaena
                     `--o †Boremys
                        |-- †B. pulchra
                        `-- †B. grandis

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