Tylodicoceras is a genus of the Koninckioceratidae (Cephalopoda, Nautiloid) from the Devonian thru Mississippian of North America with a large, slightly involute, discoidal shell that is rounded laterally and concave ventrally. Their sides bear a single row with large rounded nodes.
| Tylodiscoceras Temporal range: Mississippian
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Nautilida |
| Family: | †Koninckioceratidae |
| Genus: | †Tylodiscoceras Miller & Collinson, 1950 |
References edit
- Bernhard Kummerl. 1964, Nautiloidea-Nautilida. Treatise on Invertebrate Paleontology Part K. Geological Society of America and University of Kansas Press.
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