Tutcetus

Tutcetus
Temporal range: Eocene
(Lutetian-Bartonian), ~
Holotype specimen block
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Suborder: Whippomorpha
Infraorder: Cetacea
Family: Basilosauridae
Genus: Tutcetus
Antar et al., 2023
Type species
Tutcetus rayanensis
Antar et al., 2023

Tutcetus is an extinct genus of diminutive basilosaurid cetacean from the Bartonian of Egypt. Tutcetus, named after the child pharaoh Tutankhamun, is both one of the oldest known basilosaurids from Africa and the smallest member of the family. It is suggested that the type specimen, a subadult close to maturity, only measured approximately 2.5 m (8 ft 2 in) long. The genus is monotypic, only including the species T. rayanensis.