EMYSystem Family Page: Platysternidae
home introduction world turtle database conservation resources contact us  
OrderOrder Testudines (turtles, tortoises and terrapins)
FamilyFamily Platysternidae (Big-headed Turtles)
Approximate Range
approximate range
list genus
Original Description Gray 1869a : 175
Synonyms (original name)
Common names 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.
subfamily list     Note - informational or help links appear in red.  
      Additional Resources  
Subfamily Key Phylogenetic Hypothesis
subfamily key phylogeny
Copyright © 2000 The Terra Cognita Laboratory