| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Protophragmoceras
Taxonomy
Protophragmoceras was named by Hyatt (1900). Its type is Cyrtoceras murchisoni.
It was assigned to Phragmoceratidae by Strand (1934), Teichert et al. (1964), Chen et al. (1981); and to Discosorida by Sepkoski (2002).
It was assigned to Phragmoceratidae by Strand (1934), Teichert et al. (1964), Chen et al. (1981); and to Discosorida by Sepkoski (2002).
Species