Protopsephurus
Protopsephurus is an extinct genus of paddlefish containing the single species Protopsephurus liui, known from the Yixian Formation in Liaoning, northern China 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.
| Protopsephurus Temporal range: | |
|---|---|
| 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 | |
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