Fischerella keokukensis (Ulrich & Bassler, 1904)
| ID | 22049 |
|---|---|
| Fossil group | Bioerosional trace fossils |
| Taxon | Fischerella keokukensis |
| Author | (Ulrich & Bassler, 1904) |
| Reference | Ulrich & Bassler, 1904 |
| Parent taxon | Fischerella |
| FAD | Visean |
| LAD | Visean |
Type specimens
| Type | No | Type locality | Type horizon | Remarks | Reference | ||||
|---|---|---|---|---|---|---|---|---|---|
| holotype | USNM 43122 | Keokuk | Visean | Keokuk Limestone | Pohowsky, 1978 |