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化石 - Fossil matrix - Keichousaurus sp. - 21.5 cm - 15.5 cm
編號 83778009
編號 83778009
Protopsephurus is an extinct genus of paddlefish containing the single species Protopsephurus liui, known from the Barremian to Aptian ages of the Early Cretaceous period around 125-120 million years ago. It is currently the oldest and most basal paddlefish known.
The matrix is about 21*12*1.5 cm and the fish is about 13*4 cm.