| Diplomoceras Temporal range: Campanian–Maastrichtian | |
|---|---|
| |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitidea |
| Suborder: | †Ancyloceratina |
| Family: | †Diplomoceratidae |
| Genus: | †Diplomoceras Hyatt, 1900 |
Diplomoceras (meaning "double horn") is an extinct genus of mollusk that is found worldwide. It lived during the Late Cretaceous period.

