Mariceras Explained

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.

References

• Mariceras Fossilworks entry.
• Bernhard Kummel, 1964. Nautiloidea-Nautilida. Treatise on Invertebrate Paleontology, Part K. Geological Society of America.