the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Sarcopterygii (class)
Tetrapoda (no rank)
Amniota (no rank)
Sauropsida (no rank)
Testudines (order)
Cryptodira (suborder)
Testudinidae (family)
[hide inferior taxa]
Geochelone carbonaria (species)
Geochelone gigantea (species)
Gopherus agassizii (species)