Genus Pterospermella
- Species total:
- 122
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Pterospermella atekmarta | Gedinnian | Gedinnian |
|
Pterospermella aristotelesi | Kimmeridgian | Barremian |
|
Pterospermella | Precambriam | Recent |
|