| Subclass Elasmobranchii Bonaparte 1838 |
| Order Ordontida Zangerl 1981 |
| Family Ordontidae DeKoninck 1878 |
| Orodus Agassiz 1838 |
8 mm W
Orodus moniliformis
Serpuchov Formation
3.2 mm W
Harrodsburg Limestone Fm., Washington County, ndiana
28 mm W
Harrodsburg Limestone Fm., Washington County, Indiana,
9.9 mm W
Haney Fm.Crawford County
6.5 mm W
Salem/Harrodsburg Limestone, Hardin County, Kentucky,
Orodus spp.
Campodus
ver.1.0
| Subclass Elasmobranchii Bonaparte 1838 |
| Order Eugeneodontida Zangerl 1981 |
| Superfamily Caseodontoidea Zangerl 1981 |
| Campodus DeKoninck 1844 |
