What is Rhaeboceras
Rhaeboceras is an extinct genus of ammonite belonging to the subfamily Scaphitinae. Species belonging to the genus lived during the Cretaceous and have been found in the Pierre Shale of North America.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What is Rhaeboceras
### Input: 
### Response: Rhaeboceras is an extinct genus of ammonite belonging to the subfamily Scaphitinae. Species belonging to the genus lived during the Cretaceous and have been found in the Pierre Shale of North America.