Trimeroceras
| Trimeroceras | |
|---|---|
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Order: | |
| Family: | |
| Genus: | Trimeroceras Hyatt, 1884
|
Trimeroceras is a genus of straight oncocerid (Nautilodea, Cephalopoda) from the Middle and Upper Silurian of Europe, and type for the Trimeroceratidae. A principal character is the slit-like aperture with a hyponomic sinus for the water-jet funnel, and mid dorsal and dorsolateral sinuses.
References
- Walter C. Sweet, 1964. Nautiloidea-Oncocerida; Treatise on Invertebrate Paleontology, Part K (K298). Geological Society of America and University of Kansas Press.
 | This prehistoric nautiloid-related article is a stub. You can help Wikipedia by expanding it. |