Murray turtles Emydura macquarii, photographed by David Kleinert.

Belongs within: Testudinata.

The Chelidae are a family of side-necked freshwater turtles found in South America and Australia.

Synapomorphies (from Gaffney & Meylan 1988): Lateral cheek emargination unusually well developed, reaching the parietal; quadratojugal absent; mesoplastra absent.

    |--Pseudemydura umbrina GM88, USDI77
    `--Chelinae GM88
         |--+--Emydura macquarrii GM88
         |  |--Elseya GM88
         |  `--Rheodytes GM88
         `--Chelodd GM88
              |--Platemys platycephala GM88, DS86
              |    |--P. p. platycephala DS86
              |    `--P. p. melanonota DS86
              `--Chelini GM88
                   |--+--Batrachemys GM88
                   |  |--Mesoclemmys GM88
                   |  `--Phrynops GM88
                   |       |--P. gibbus DS86
                   |       `--P. nasutus DS86
                   `--Chelina GM88
                        |--Chelus fimbriatus GM88, DS86
                        `--Hydromedusad GM88
                             |--Hydromedusa GM88
                             `--Chelodina GM88
                                  |--C. oblonga GM88
                                  `--C. steindachneri HD04

*Type species of generic name indicated


[DS86] Dixon, J. R. & P. Soini. 1986. The Reptiles of the Upper Amazon Basin, Iquitos Region, Peru. Milwaukee Public Museum: Milwaukee.

[GM88] Gaffney, E. S., & P. A. Meylan. 1988. A phylogeny of turtles. In The Phylogeny and Classification of the Tetrapods, vol. 1. Amphibians, Reptiles, Birds (M. J. Benton, ed.) pp. 157-219. Clarendon Press: Oxford.

[HD04] How, R. A., & J. Dell. 2004. Reptile assemblage of the Abydos Plain, north-eastern Pilbara, Western Australia. Journal of the Royal Society of Western Australia 87 (3): 85-95.

[OC03] Olson, P. D., T. H. Cribb, V. V. Tkach, R. A. Bray & D. T. J. Littlewood. 2003. Phylogeny and classification of the Digenea (Platyhelminthes: Trematoda). International Journal for Parasitology 33: 733-755.

[USDI77] USDI (United States Department of the Interior). 1977. Endangered and threatened wildlife and plants - republication of list of species. Federal Register 42: 36420-36431.

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