Trimeroceras
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.
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| Genus: | Trimeroceras Hyatt, 1884 |
References
- Walter C. Sweet, 1964. Nautiloidea-Oncocerida; Treatise on Invertebrate Paleontology, Part K (K298). Geological Society of America and University of Kansas Press.
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