| Name | From | To | Age range |
|---|---|---|---|
| Pirea transitoria | Early Tremadocian | Early Tremadocian |
|
| Pirea sp.A Vang.,1985 | Late Siegenian | Famennian |
|
| Pirea sp.A Play.& Mart.,1984 | Late Arenigian | Early Llandeilian |
|
| Pirea sp.A | Llanvirnian | Llandeilian |
|
| Pirea sp. Zang & Walt.,1992 | Middle Cambrian | Middle Cambrian |
|
| Pirea sp. Volk.,1980 | Middle Cambrian | Late Cambrian |
|
| Pirea sp. Uute.,1989 |
|
||
| Pirea sp | Middle Cambrian | Emsian |
|
| Pirea sinensis | Ordovician | Ashgillian |
|
| Pirea prismatica | Late Tremadocian | Early Arenigian |
|
| Pirea ornatissima | Early Paleozoic | Baoto |
|
| Pirea ornata | Early Ordovician | Early Cincinnatian |
|
| Pirea orbicularis | Middle Cambrian | Late Cambrian |
|
| Pirea nervata | Late Llanvirnian | Late Llanvirnian |
|
| Pirea levigata | Arenigian | Ashgillian |
|
| Pirea lagenaria | Arenigian | Early Caradocian |
|
| Pirea inflata | Late Llanvirnian | Late Llanvirnian |
|