Placenticeras
| Placenticeras Temporal range: Late Cretaceous | |
|---|---|
| Placenticeras meeki | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Cephalopoda | 
| Subclass: | †Ammonoidea | 
| Order: | †Ammonitida | 
| Family: | †Placenticeratidae | 
| Genus: | †Placenticeras Meek, 1870 | 
| Synonyms | |
| Diplacmoceras | |
Placenticeras is a genus of ammonites from the Late Cretaceous. Its fossils have been found in Asia, Europe, North and South America.