| Named By: | R. Lund in 1985 | 
| Time Period: | 335-318 Ma Middle Visean - Late Serpukhovian | 
| Location: | USA | 
| Size: | 25 to 30 centimetres long | 
| Diet: | Carnivore/piscivore | 
| Fossil(s): | Many specimens known | 
| Classification: | | Chordata | Chondrichthyes | Elasmobranchii | Symmoriida | | 
Falcatus is an extinct genus of Falcatidae which lived during the early Carboniferous Period in Bear Gulch bay and what is now Montana.