Llanocetidae

Llanocetidae is an extinct family of ancient toothed baleen whales from the Eocene. It was named by American paleontologist Edward Mitchell in 1989 after describing the Antarctic Llanocetus,^[1] but a 2018 study by paleontologists Ewan Fordyce and Felix Marx included the Peruvian Mystacodon and an undescribed New Zealand specimen OU GS10897.^[2]

Llanocetidae Temporal range: Late Eocene, Priabonian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Skull of Llanocetus at the Smithsonian Museum of Natural History
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Suborder:	Whippomorpha
Infraorder:	Cetacea
Parvorder:	Mysticeti
Family:	†Llanocetidae Mitchell, 1989
Genera
†Llanocetus †Mystacodon