Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Chordata (Chordates)
Olfactores
Craniata (Craniata (chordata))
Vertebrata (Animals with backbone)
Gnathostomata (Gnathostome)
Eugnathostomata
Teleostomi
Osteichthyes (Bony fish)
Actinopterygii (Ray-finned fishes)
Actinopteri
Neopterygii
Teleostei (Teleost)
Elopocephalai
Elopomorpha
Anguilliformes (Eels and morays)
Ophichthidae
Children (3 direct children, 3 direct and indirect children):
Leptenchelys vermiformis
Slender worm-eel
Leptenchelys labialis
Leptenchelys pinnaceps