Protopsephurus

Protopsephurus Temporal range: Early Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N
Fossil of P. liui, Tianjin Natural History Museum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Acipenseriformes
Family:	Polyodontidae
Subfamily:	†Protopsephurinae
Genus:	†Protopsephurus Lu, 1994
Species:	†P. liui
Binomial name
†Protopsephurus liui Lu, 1994

Protopsephurus is an extinct genus of paddlefish containing the single species Protopsephurus liui, known from the Yixian, Jiufotang and Huajiying formations in Liaoning, northern China from the Barremian to Aptian ages of the Early Cretaceous period around 125-120 million years ago.^[1][2] It is currently the oldest and most basal paddlefish known.