| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Idiognathodus cicatricosus
Taxonomy
Idiognathodus cicatricosus was named by Gunnell (1933). It is not extant. Its type locality is 29th St. and Southwest Blvd, Winterset limestone, which is in a Kasimovian marine shale in the Dennis Formation of Missouri.
Sister species lacking formal opinion data