| Name | From | To | Age range |
|---|---|---|---|
| Diexallophasis tribrachiatum | Eltonian | Eltonian |
|
| Diexallophasis tappaniae | Early Llandoverian | Emsian |
|
| Diexallophasis sp.A | Ashgillian | Eifelian |
|
| Diexallophasis sp.1 | Late Ordovician | Late Ordovician |
|
| Diexallophasis sp. Heus.,1994 | Caradocian | Ashgillian |
|
| Diexallophasis sp | Late Ordovician | Scythian |
|
| Diexallophasis simplex | Sheinwoodian | Early Frasnian |
|
| Diexallophasis sanpetrensis | Early Ashgillian | Middle Ashgillian |
|
| Diexallophasis remota | Late Ordovician | Early Visean |
|
| Diexallophasis parvifurcata | Llandoverian | Wenlockian |
|
| Diexallophasis pachymura | Llandoverian | Wenlockian |
|
| Diexallophasis ontariensis | Silurian | Silurian |
|
| Diexallophasis mucronata | Llandoverian | Llandoverian |
|
| Diexallophasis malum | Late Leintwardinian | Downtonian |
|
| Diexallophasis liber | Late Aeronian | Late Aeronian |
|
| Diexallophasis granulosa | Late Llandoverian | Early Sheinwoodian |
|
| Diexallophasis granulatispinosa | Caradocian | Gedinnian |
|