Species
Fischerella keokukensis (Ulrich & Bassler, 1904)
Luokittelu
| Organism group | Biota |
| Ichnofossil group | Ichnofossils |
| Bioerosional trace fossils | |
| Genus | Fischerella |
| Species | keokukensis |
| Organism group | Biota |
| Ichnofossil group | Ichnofossils |
| Bioerosional trace fossils | |
| Genus | Fischerella |
| Species | keokukensis |