Keasius

Keasius; Temporal range:
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Division:	Selachii
Order:	Lamniformes
Family:	Cetorhinidae
Genus:	†Keasius; Welton, 2013
Type species
	†Keasius taylori; Welton, 2013
Other species
	†Keasius parvus ; (Leriche, 1908); †Keasius septemtrionalis ; Reinecke, von der Hocht, & Dufraing, 2015; †Keasius rhenanus ; Reinecke, von der Hocht, & Dufraing, 2015;
Synonyms
	Genus synonymy "Praecetorhinus" ; von der Hocht, 1978 (nomen nudum); ; Species synonymy K. parvus Cetorhinus parvus ; Leriche, 1908; ; ;

Keasius is an extinct genus of basking sharks that lived during the Cenozoic. It contains four valid species, which have been found in North America, Europe, and Antarctica.