After Hirayama, 1997, Moody, 1997, and Lapparent de Broin, 2000, with some genera and species from the “paleobiology database”

<==o †Toxochelyidae Baur, 1895 emend. Zangerl, 1953
   |?- †Toxochelyidae genera indet. [Bantuchelys (Dollo, 1924, ex parte;)]
   |?- †Toxocheloides narynensis Nessov & Kaznyshkin, 1985
   |--o †Toxochelyinae Zangerl, 1953
   |  `--o †Toxochelys Cope, 1873; U. Cret. NA.
   |     |-- †T. latiremis Cope, 1873 [taxonomic history]
   |     `-- †T. moorevillensis Zangerl, 1953
   `--o †“Thinochelyinae”
      |?-o †Catapleura Cope, 1869
      |  |-- †C. ponderosa Cope, 1871
      |  |-- †C. repanda (Cope, 1868) [Toxochelys atlantica Zangerl, 1953; ?Dollochelys atlantica Zangerl, 1953]
      |  `-- †C. ruhoffi Weems, 1988
      |?-o †Dollochelys Zangerl, 1953
      |  |?- †D. atlantica Zangerl, 1953
      |  `-- †D. coatesi Weems, 1988
      `--+-- †Porthochelys laticeps Williston, 1901
         `-- †Thinochelys lapisossea Zangerl, 1953

Reference(s):