EMYSystem Family Page: Platysternidae
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OrderOrder Testudines (turtles, tortoises and terrapins)
FamilyFamily Platysternidae (Big-headed Turtles)
SubfamilySubfamily no_subfamily
range of family Platysternidae
approximate range

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Original Description Gray 1869a : 175
Original name None
Common name Big-headed Turtles
Distribution As for the single species
Comments See Comment and phylogeny under Chelydridae. Considered the sister taxon of the Emydidae plus the Testudinidae by Haiduk and Bickham (1982) and Bickham and Carr (1983); but Gaffney (1975) and Gaffney and Meylan (1988) include these turtles within the Chelydridae.
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Subfamily Key Phylogenetic Hypothesis
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