Tylodiscoceras

Tylodiscoceras Temporal range: Mississippian
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Nautiloidea
Order:	Nautilida
Family:	†Koninckioceratidae
Genus:	†Tylodiscoceras Miller & Collinson, 1950

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.

References

• Bernhard Kummerl. 1964, Nautiloidea-Nautilida. Treatise on Invertebrate Paleontology Part K. Geological Society of America and University of Kansas Press.