Protocetidae

Protocetidae Temporal range: Early Eocene to Late Eocene[1]47.5–35 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Maiacetus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Informal group:	†Archaeoceti
Family:	†Protocetidae Stromer 1908
Subfamilies
3, See text

Protocetidae, the protocetids, form a diverse and heterogeneous group of extinct cetaceans known from Asia, Europe, Africa, South America, and North America.