| Mariceras Temporal range: Late Carboniferous- Early Permian | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Nautilida |
| Genus: | †Mariceras Ruzhentsev and Shimanskiy, 1954 |
Mariceras is a genus of Late Carboniferous to Early Permian nautilids found in North America and central Asia. Its shell is like that of Schyphoceras but is less curved and smoother.
