Megabalaena sapporoensis
Temporal range: Late Miocene (Tortonian), 10-7 million years ago.

CLASSIFICATIONS
Kingdom: Animals (Animalia)
Phylum: Chordates (Chordata)
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)
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)
Clade: Eucetaceamorph (Eucetaceamorpha) (Christopher Bland The Whale, 2020)
Clade: Eucetaceaformes (Eucetaceaformes) (Christopher Bland The Whale, 2020)
Clade: Eucetaceans (Eucetacea) (Christopher Bland The Whale, 2020)
Clade: Pelagicete (Pelagiceti)
Clade: Neocete (Neoceti)
Parvorder: Baleen Whale (Mysticeti)
Clade: Kinetomente (Kinetomenta)
Clade: Chaeomysticete (Chaeomysticeti)
Superfamily: Balaenoids (Balaenoidea)
Family: Balaenid Whale (Balaenidae)
Subfamily: Balaenine Whale (Balaeninae)
Tribes: Balaenin Whale (Balaenini) (Sandy Cheeks, 2014)
Genus: Megabalaena (Tanaka, 2025)
Species: Megabalaena sapporoensis (Tanaka, 2025)

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)

NEOCETI SYNONYMS
Neocetaceans (Neocetacea) (Christopher Bland The Whale, 2020)

CETOLOGICAL INFORMATION
Living: Japan and Northwest Pacific Ocean
Diets: Omnivores, ichthyophagous, piscivores, planktivores, filter-feeders they ate seaweeds, kelp, seagrass, sea plants, phytoplankton, and they hunting preying which including Actinopterygii fishes such as mackerels, tunas, sardines, herrings, salmons, and cods; crustaceans such as krills, prawns, shrimps; little animals such as zooplanktons; cephalopods such as hooked squid; they ate scavengers and carrions.
Predation: Other cetaceans like dolphins Alula Whale; basilosaurids Cadborosaurus; other baleen whales House On The Rock Whale; battle rival of Megalodon shark
Size: 39-42 feet long

Info
Megabalaena sapporoensis (meaning: "Giant whale from Sapporo City") is a prehistoric genus and species of right whales, that lived in Miocene about from 10 to 7 million years ago, and what is now lived in Japan, it was named by Dr. Tanaka in 2025.