Crossopholis
| Crossopholis Temporal range:  | |
|---|---|
| Crossopholis magnicaudatus | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Order: | Acipenseriformes | 
| Family: | Polyodontidae | 
| Genus: | †Crossopholis Cope, 1883 | 
| Type species | |
| Crossopholis magnicaudatus Cope, 1883 | |
Crossopholis is an extinct fish known from the early Eocene (Ypresian) of North America, approximately 52 million years ago. It is a close relative of the contemporary American paddlefish, belonging to the paddlefish family Polyodontidae.