| Name | From | To | Age range |
|---|---|---|---|
| Unellium sp.A | Early Tremadocian | Early Tremadocian |
|
| Unellium sp.Yin,1995 | Tremadocian | Early Arenigian |
|
| Unellium starostinum | Kazanian | Kazanian |
|
| Unellium unilaterale | Cambrian | Cambrian |
|
| Unellium winslowiae | Middle Devonian | Dinantian |
|