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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)
Synapsidomorpha
Synapsid (Synapsida)
Eupelycosauria
Sphenacodontia
Sphenacodontoidea
Therapsida (Therapsid)
Neotherapsida
Theriodont (Theriodontia)
Eutheriodontia
Cynodontia (Cynodont)
Epicynodontia
Eucynodontia
Probainognathia
Chiniquodontoidea
Prozostrodontia
Mammaliaformes
Mammal (Mammals)
Theriamorpha
Theriiformes
Holotheria
Trechnotheria
Cladotheria
Zatheria
Boreosphenida
Theria (Therians)
Eutheria
Placentalia (Eutheria)
Exafroplacentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Fereuungulata
Euungulata (True ungulates)
Cetartiodactyla
Artiodactyla (Artiodactylla)
Artiofabula
Cetruminantia
Cetancodontamorpha
Whippomorpha
Cetacea (Cetaceans)
Archaeoceti

Protocetidae (2721468)

Children (21 direct children, 41 direct and indirect children):

Maiacetus (tree size 1)

Rodhocetus (tree size 2)

Georgiacetus

Gaviacetus (tree size 1)

Takracetus (tree size 1)

Indocetus (tree size 1)

Pappocetus

Natchitochia

Eocetus

Babiacetus

Crenatocetus

Qaisracetus (tree size 1)

Indocetinae (tree size 2)

Kharodacetus

Makaracetinae (tree size 2)

Protocetinae (tree size 4)

Georgiacetinae (tree size 2)

Aegyptocetus (tree size 1)

Pappocetinae (tree size 1)

Peregocetus (tree size 1)

Phiomicetus