Genus Constrictitubulus
- Species total:
- 2
- Age range:
- 490 - 370 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Constrictitubulus | Late Wenlockian | Late Wenlockian |
|
| Constrictitubulus cristatus | Arenigian | Emsian |
|
Genus Constrictitubulus
- Species total:
- 2
- Age range:
- 490 - 370 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Constrictitubulus | Late Wenlockian | Late Wenlockian |
|
| Constrictitubulus cristatus | Arenigian | Emsian |
|