Llanocetidae information

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
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Parvorder:	Mysticeti
Family:	†Llanocetidae; Mitchell, 1989
Genera
	†Llanocetus; †Mystacodon;

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]

^ Mitchell, E. D. (1989). "A new cetacean from the Late Eocene La Meseta Formation, Seymour Island, Antarctic Peninsula". Canadian Journal of Fisheries and Aquatic Sciences. 46 (12): 2219–2235. doi:10.1139/f89-273.
^ Fordyce, R. E.; Marx, F. G. (2018). "Gigantism precedes filter feeding in baleen whale evolution". Current Biology. 28 (10): 1670–1676. doi:10.1016/j.cub.2018.04.027. PMID 29754903.

[1] Mitchell, E. D. (1989). "A new cetacean from the Late Eocene La Meseta Formation, Seymour Island, Antarctic Peninsula". Canadian Journal of Fisheries and Aquatic Sciences. 46 (12): 2219–2235. doi:10.1139/f89-273.

[2] Fordyce, R. E.; Marx, F. G. (2018). "Gigantism precedes filter feeding in baleen whale evolution". Current Biology. 28 (10): 1670–1676. doi:10.1016/j.cub.2018.04.027. PMID 29754903.

Llanocetidae information

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Llanocetidae

List of extinct cetaceans

Aetiocetidae

Humpback whale

Right whale

Baleen whale

Llanocetus

Balaenoptera

Pygmy right whale

Eschrichtius

Mystacodon

Parabalaenoptera

Protororqualus

Balaena

Cetotherium

Archaebalaenoptera

Balaenella

Nannocetus

Mauicetus

Mixocetus

Tohoraata

Aglaocetus

Eomysticetus

Mithridatocetus

Sitsqwayk

Parietobalaena

Herpetocetus

Miobalaenoptera

Plesiobalaenoptera

Otradnocetus

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
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Parvorder:	Mysticeti
Family:	†Llanocetidae Mitchell, 1989
Genera
†Llanocetus †Mystacodon