| Name | From | To | Age range |
|---|---|---|---|
| Diexallophasis sanpetrensis | Early Ashgillian | Middle Ashgillian |
|
| Diexallophasis simplex | Sheinwoodian | Early Frasnian |
|
| Diexallophasis sp | Late Ordovician | Scythian |
|
| Diexallophasis sp. Heus.,1994 | Caradocian | Ashgillian |
|
| Diexallophasis sp.1 | Late Ordovician | Late Ordovician |
|
| Diexallophasis sp.A | Ashgillian | Eifelian |
|
| Diexallophasis tappaniae | Early Llandoverian | Emsian |
|
| Diexallophasis tribrachiatum | Eltonian | Eltonian |
|