Tylodiscoceras

Tylodiscoceras
Temporal range: Mississippian
Scientific classification Edit this 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.