| Name | From | To | Age range |
|---|---|---|---|
| Pirea orbicularis | Middle Cambrian | Late Cambrian |
|
| Pirea sp. Volk.,1980 | Middle Cambrian | Late Cambrian |
|
| Pirea prismatica | Late Tremadocian | Early Arenigian |
|
| Pirea | Ordovician | Early Llanvirnian |
|
| Pirea capitata | Ordovician | Early Llanvirnian |
|
| Pirea colliformis | Late Tremadocian | Llanvirnian |
|
| Pirea fausta | Early Tremadocian | Llanvirnian |
|
| Pirea sp.A Play.& Mart.,1984 | Late Arenigian | Early Llandeilian |
|
| Pirea sp.A | Llanvirnian | Llandeilian |
|
| Pirea ornatissima | Early Paleozoic | Baoto |
|
| Pirea lagenaria | Arenigian | Early Caradocian |
|
| Pirea ornata | Early Ordovician | Early Cincinnatian |
|
| Pirea sinensis | Ordovician | Ashgillian |
|
| Pirea baculifera | Arenigian | Ashgillian |
|
| Pirea levigata | Arenigian | Ashgillian |
|
| Pirea dubia | Early Paleozoic | Pridolian |
|
| Pirea sp | Middle Cambrian | Emsian |
|