Genus Protoascon
- Species total:
- 1
- Age range:
- 304 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Protoascon missouriensis | Middle Pennsylvanian | Middle Pennsylvanian |
|
Genus Protoascon
- Species total:
- 1
- Age range:
- 304 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Protoascon missouriensis | Middle Pennsylvanian | Middle Pennsylvanian |
|