big-headed turtle
pond turtle
platysternid
family Dermochelyidae
Dermochelyidae
genus Streptopelia
dermochelyoid
Streptopelia
podocnemid
snapper
ridley
snapping turtle
Sternotherus
genus Sternotherus
alligator snapping turtle
turt
leathery turtle
Dermochelys coriacea
leatherback
leatherback turtle
dermochelyid
common snapping turtle
Chelydra serpentina
hawksbill turtle
tortoiseshell
arrau turtle
eupleurodiran
loggerhead turtle
carettochelyid
dermatemydid
Caretta caretta
hydromedusa
loggerhead
testudinoid
eucryptodiran
pleurodiran
mossback
podocnemidid
sea turtle
leaf turtle
wood turtle
turtler
geoemydid
Chelydra
jurara
Caretta
luth
trionychian
genus Caretta
genus Chelydra