After Meylan & Ganko, 1988 [from Meylan & Ganko, 1997 and Meylan, 2001] and Sukhanov, 2000

<==o Testudinoidea Batsch, 1788
   |?-o †Haichemydidae [Sukhanov & Narmandakh]
   |  |-- †Haichemydidae genera et species indet. Paleoc. EAs.
   |  `-- †Haichelys ulensis [Sukhanov & Narmandakh]
   |?-o †Sinochelyidae Chkhikvadze, 1970 [incl. Peishanemydidae Nesov]
   |  |?- †Heishanemys Bohlin, 1953
   |  |--o †Peishanemys Bohlin, 1953
   |  |  |-- †P. sp.
   |  |  `-- †P. testudiformis Nesov, 1981 [“Nesovemys” Chkhikvadze, 1985]
   |  `--o †Sinochelys Wiman, 1930, L. Cret CAs.
   |     |-- †S. sp. [Scutemys tecta]
   |     `-- †S. sp.
   |?- †Lindholmemydidae Chkhikvadze, 1970
   |-- Emydidae (New World pond turtles; suokilpikonnat)
   `-- Testudinidae Batsch, 1788 (non Gray, 1825) (tortoises; maakilpikonnat)

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