Name | From | To | Age range |
---|---|---|---|
Perisaccus optivus | Westphalian A | Westphalian A |
|
Perisaccus orbicularis | Visean | Westphalian D |
|
Perisaccus ovalis | Cambrian | Cambrian |
|
Perisaccus pararimosus | Asselian | Asselian |
|
Perisaccus paratumisus | Late Carboniferous | Late Carboniferous |
|
Perisaccus pfalzensis | Late Carboniferous | Late Carboniferous |
|
Perisaccus plicatus | Namurian A | Namurian A |
|
Perisaccus praetextus | Asselian | Asselian |
|
Perisaccus primigenus | Riphean | Permian |
|
Perisaccus pumicosus | Carboniferous | Asselian |
|
Perisaccus pylopterus | Early Visean | Early Visean |
|
Perisaccus quaesitus | Westphalian A | Westphalian A |
|
Perisaccus radiatus | Namurian A | Namurian A |
|
Perisaccus reticularis | Late Frasnian | Late Frasnian |
|
Perisaccus reticulatus | Caradocian | Caradocian |
|
Perisaccus rimosus | Late Carboniferous | Asselian |
|
Perisaccus rotundus | Early Visean | Early Visean |
|