Genus Pterospermella
- Species total:
- 122
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Pterospermella woodgreenensis | Ludlovian | Ludlovian |
|
Pterospermella wuqiaensis | Cenomanian | Paleocene |
|
Pterospermella zonaria | Aptian | Early Campanian |
|