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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
Euteleostomi
Sarcopterygii (Lobe-finned fishes)
Dipnotetrapodomorpha
Tetrapodomorpha (Tetrapodomorph)
Tetrapoda (Tetrapod)
Reptiliomorpha
Amniota (Amniote)
Sauropsida
Reptilia (Reptiles)
Eureptilia
Romeriida
Diapsid (Diapsida)
Neodiapsida
Sauria
Archelosauria
Archosauromorpha
Archosauriformes
Crurotarsi
Archosaur (Archosauria)
Avemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosaur (Dinosauria)
Saurischia
Sauropodomorpha
Plateosauria
Massopoda
Anchisauria
Sauropoda (Sauropod)
Gravisauria
Eusauropoda
Neosauropoda
Diplodocoidea

Diplodocid (131223)

Children (11 direct children, 42 direct and indirect children):

Diplodocus (tree size 3)
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Mamenchisaurus (tree size 8)

Supersaurus (tree size 1)

Barosaurus (tree size 1)

Atlantosaurus

Kaatedocus (tree size 1)

Diplodocinae (tree size 8)

Apatosaurinae (tree size 8)

Seismosaurus
Diplodocus hallorum

Eobrontosaurus (tree size 1)

Dicraeosaurinae