Mikko's Phylogeny Archive Main Groups of Reptiles   Dermochelyoidea - leatherback turtles and relatives

After Hirayama, 1997, 1998, Elliott, Irby & Hutchinson, 1997, Moody, 1997, Hooks, 1998 and Lapparent de Broin, 2000

<==o Dermochelyoidea (Gray, 1825) Baur, 1888 sensu Hirayama, 1997, 1998 (leatherback turtles and relatives; merinahkakilpikonnansukuiset merikilpikonnat)
   |?- †Cimochelys benstedi (Mantell, 1841) Zangerl, 1960 [Emys benstedi Mantell, 1841; Chelone (Cimochelys) benstedi (Mantell, 1841) Owen, 1841; Chelone benstedi (Mantell, 1841) Owen, 1841]
   |?- †"Protostega" eaglefordensis Zangerl, 1953; L. Cret. NA.
   |?-o †Thalassemyidae
   |  |-- †Desmemys
   |  |-- †Padiochelys [?Chelonemys]
   |  |-- †Thalassemys moseri
   |  |-- †Tropidemys
   |  `-- †Yaxartermys
   `--o "Dermochelyoinea" [Dermochelyoidea sensu Hirayama 1998]
      |--o Dermochelyidae Gray, 1825 (leatherback turtles; merinahkakilpikonnat)
      |  |-- †Corsochelys haliniches Zangerl, 1960; U. Cret. NA.
      |  |?- †Egyptemys eocaenus (Andrews, 1901)
      |  |?- †Miochelys fermini
      |  |?- †Cosmochelys dolloi Andrews, 1919
      |  `--+-- †Dermochelyidae gen. et sp. indet. [U. Cret. Japan (Hirayama, 1997)]
      |     `--+--o †Cardiochelys
      |        |  |-- †C. rupeliensis
      |        |  `-- †C. eocaemus
      |        `--+-- †Protosphargis veronensis
      |           `--+--o †Eosphargis
      |              |  |-- †E. gigas
      |              |  `-- †E. breineri
      |              `--+?- †"Thalassochelys" testei Bergounioux, 1956
      |                 `--+--o †Psephophorus
      |                    |  |-- †P. rupeliensis
      |                    |  |-- †P. scaldii
      |                    |  |-- †P. polygonus
      |                    |  `-- †P. pseudostracion
      |                    |-- †Mesodermochelys
      |                    `-- Dermochelys coriacea Blainville, 1816 (leatherback turtle; merinahkakilpikonna)
      `--o Protostegidae Cope, 1872 sensu Hirayama 1998
         |-- †Santanachelys gaffneyi Hirayama, 1998; L. Cret. ESA.
         `--+-- †Notochelone costata (Owen, 1882); L. Cret. Aust.
            `--+--o †Desmatochelyidae Williston, 1894 sensu Elliott, Irby & Hutchinson, 1997 and Moody, 1997
               |  |?- †Glyptops
               |  |--o †Desmatochelys Williston, 1894; Cret. NA. SA. EAs.
               |  |  |-- †D. sp. [L. Cret. NSA.] (Smith, 1989)
               |  |  `-- †D. lowi Williston, 1894; U. Cret. NA. EAs.
               |  `--o †Rhinochelys Seeley, 1869 [taxonomic history]
               |     |-- †R. pulchriceps (Owen, 1851) [taxonomic history]
               |     |-- †R. elegans Lydekker, 1889
               |     |-- †R. cantabridgiensis Lydekker, 1889
               |     `-- †R. amaberti Moret, 1935
               `--o †Protostegidae Cope, 1872 sensu Moody, 1997 and Hooks, 1998
                  `--+-- †Chelosphargis advena (Hay, 1906) Zangerl, 1953 [Protostega advena Hay, 1906]; U. Cret. NA. EAs. NZ. [Chelospharginae Zangerl, 1953]
                     `--o †Protosteginae Zangerl, 1953
                        |-- †Calcarichelys gemma Zangerl, 1953; U. Cret. NA. [Calcarichthyini Hook, 1998]
                        `--o †Protostegini Hook, 1998
                           |?- †"Protostega" anglica Lydekker, 1889 [?Chelone jessoni Lydekker, 1889] Cret. WEu.
                           |-- †Microstega copei (Wieland, 1909) Hook, 1998 [Archelon copei Wieland, 1909 (in partim); "Protostega" copei (Wieland, 1909) Hirayama, 1998] U. Cret. NA. [Microstegina Hook, 1998]
                           `--+?- †Atlantochelys mortoni Agassiz, 1849 [?Pneumatoarthrus peloreus Cope, 1870]; U. Cret. NA.
                              `--o †Protostegina Hook, 1998
                                 |-- †Protostega gigas Cope, 1872; U. Cret. NA. EAs. [taxonomic history]
                                 `-- †Archelon ischyros Wieland, 1896 [Archelon marshi Wieland, 1900]; U. Cret. NA.

Reference(s):

Elliott, D. K., Irby, G. V. & Hutchinson, J. H., 1997: Desmatochelys lowi, a marine turtle from the Upper Cretaceous. 243-258.
in Callaway, J. M. & Nicholls, E. L., (eds.) 1997: Ancient Marine Reptiles.
–Academic Press, San Diego, London, Boston, New York, Sydney, Tokyo, Toronto, 1997, xlvi-501

Hirayama, R., 1997: Distribution and diversity of Cretaceous chelonioids. 225-243.
in Callaway, J. M. & Nicholls, E. L., (eds.), 1997: Ancient marine reptiles.
–Academic Press, San Diego, London, Boston, New York, Sydney, Tokyo, Toronto, 1997, pp. xlvi - 501

Hirayama, R., 1998: Oldest known sea turtle.
–Nature: Vol. 392, 16 April, pp. 705-708

Hooks, III, G. E., 1998: Systematic revision of the Protostegidae, with a redescription of Calcarichelys gemma Zangerl, 1953.
–Journal of Vertebrate Paleontology: Vol. 18, #1, pp. 85-98

Lapparent de Broin, F. de, 2000: African chelonians from the Jurassic to the Present: Phases of development and preliminary catalogue of the fossil record.
–Palaeontologica Africana:Vol. 36, pp. 43-82

Moody, R. T. J., 1997: The paleogeography of marine and coastal turtles of the North Atlantic and Trans-Saharan regions. 259-278
in Callaway, J. M. & Nicholls, E. L., (eds.) 1997: Ancient Marine Reptiles.
–Academic Press, San Diego, London, Boston, New York, Sydney, Tokyo, Toronto, 1997, xlvi-501