cephalothorax
plastron
chelonioid
ctenocheyid
procellariiform
pleurosternid
Sauropterygia
turtlelike
order Sauropterygia
procellariform
toxochelyid
Black Tortoise of the North
ichthyography
pituriaspid
Ophidiidae
family Ophidiidae
Caretta caretta
loggerhead turtle
batrachology
loggerhead
cheloniid
terrapin
pig-nose turtle
dortokid
herpetology
dermochelyid
genus Streptopelia
nanhsiungchelyid
plesiochelyid
river turtle
eupleurodiran
pond turtle
archaeocete
fish science
macrobaenid
Scleroparei
Kemp's ridley sea turtle
Streptopelia
order Scleroparei
casichelydian
crossopterygian
lobefin
stripetail darter
Elapidae
lobe-finned fish
goggle-eye
calipee
ozobranchid