Megadisocosorus
Megadisocosorus is a genus of actinocerid cephalopods similar to Armenoceras but with a short, slightly curved, breviconic shell. The siphuncle is in contact with the ventral wall, unlike that of Armenoceras in which the siphuncle is close to the center.
| Megadisocosorus Temporal range: Middle Silurian | |
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| Genus: | Megadisocosorus Foeste, 1925 |
Megadisocosorus is known from the Middle Silurian of North America. According to Teichert, 1964, Megadisocosorus is a member of one of the two branches of the Armenoceratidae that also includes Nybyoceras and Selkirkoceras.
References
- Curt Teichert, 1964. Actinoceratoidea, Treatise on Invertebrate Paleontology, Part K. Geological Society of America and University of Kansas Press.
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