Protocetus atavus
Temporal range: Eocene-Holocene (Lutetian-Meghalayan), 48 million-1 years ago

Classifications
Kingdom: Animals (Animalia)
Subkingdom: Eumetazoa (Eumetazoa)
Superphylum: Deuterostome (Deuterostomia)
Phylum: Chordates (Chordata)
Subphylum: Vertebrate (Vertebrata)
Infraphylum: Gnathostome (Gnathostomata)
Superclass: Tetrapods (Tetrapoda)
Clade: Amniotes (Amniota)
Clade: Synapsids (Synapsida)
Clade: Therapsids (Therapsida)
Clade: Cynodonts (Cynodontia)
Clade: Eucynodonts (Eucynodontia)
Clade: Mammaliamorph (Mammaliamorpha)
Clade: Mammaliaformes (Mammaliaformes)
Class: Mammals (Mammalia/Mammalians)
Clade: Theriimorph (Theriimorpha)
Clade: Theriiformes (Theriiformes)
Subclass: Theria (Theria)
Clade: Eutheria (Eutheria)
Infraclass: Placentals (Placentalia/Placentalians)
Magnorder: Neoplacentals (Neoplacentalia) (Christopher Bland The Whale, 2020)
Superorder: Laurasiatheroglires (Laurasiatheroglires) (Christopher Bland The Whale, 2019) (down below here)
Grandorder: Laurasiatheres (Laurasiatheria)
Clade: Ferungulates (Ferungulata)
Mirorder: Ungulates (Ungulata)
Clade: Euungulates (Euungulata)
Clade: Artiodactylamorph (Artiodactylamorpha)
Order: Even-toed ungulates (Artiodactyla/Cetartiodactyla)
Clade: Artiofabula (Artiofabula)
Clade: Cetruminantians (Cetruminantia)
Clade: Cetancodontamorph (Cetancodontamorpha)
Clade: Cetaceopterygian (Cetaceopterygia) (Christopher Bland The Whale, Pearl The Sperm Whale, Bugs Bunny and Lola Bunny, SpongeBob SquarePants and Sandy Cheeks, Porky Pig and Petunia Pig, Davy The Whale, 2021)
Suborder: Whippomorph (Whippomorpha)
Clade: Cetaceamorph (Cetaceamorpha)
Infraorder: Cetacean (Cetaceans/Cetacea)
Family: Protocete (Protocetidae)
Subfamily: Protocetine (Protocetinae)
Tribe: Protocetins (Protocetini) (Sandy Cheeks, 2014)
Genus: Protocetus (Eberhard Fraas, 1904)
Species: Protocetus atavus (Eberhard Fraas, 1904)

NEOPLACENTALIA SYNONYMS
Neoplacentals (Neoplacentalia) (Christopher Bland The Whale, 2020)
Neotheres (Neotheria) (Christopher Bland The Whale, 2020)
Exarchontoplacentals (Exarchontoplacentalia) (Christopher Bland The Whale, 2020)
Exprimatoplacentals (Exprimatoplacentalia) (Christopher Bland The Whale, 2020)

LAURASIATHEROGLIRES SYNONYMS
Cetoglires (Cetoglires) (Christopher Bland The Whale, 2019)
Supracetaceans (Supracetacea) (Christopher Bland The Whale, 2019)
Cetaceoglires (Cetaceoglires) (Christopher Bland The Whale, 2019)
Supralaurasiatheres (Supralaurasiatheria) (Christopher Bland The Whale, 2019)
Supracetes (Supraceti) (Christopher Bland The Whale, 2019)
Cetolagomorph (Cetolagomorpha) (Christopher Bland The Whale, 2019)
Lagocetaceans (Lagocetacea) (Christopher Bland The Whale, 2019)
Lagocetes (Lagoceti) (Christopher Bland The Whale, 2019)
Cetorodents (Cetorodentia) (Christopher Bland The Whale, 2019)

PELAGICETI SYNONYMS
Neocetaceamorph (Neocetaceamorpha) (Christopher Bland The Whale, 2020)
Neocetaceaformes (Neocetaceaformes) (Christopher Bland The Whale, 2020)

Biological information
Living: Asia and Africa, and Tethys Ocean
Diet: Carnivore
Size: 8 feet long in length and 220-326 lbs in weight

Info
Protocetus atavus (meaning: "prototype whale") are genus and species of primitive whale that lived in Lutetian stage of Eocene epoch to Meghalayan stage of Holocene epoch about from 48,500,000 to 1 BC and what is now lived in Asia and Africa, and perhaps Tehtys Ocean.