| Name | From | To | Age range |
|---|---|---|---|
| Plectochitina rosendae | Early Paleozoic | Early Devonian |
|
| Plectochitina saharica | Arenigian | Ludlovian |
|
| Plectochitina sp | Llanvirnian | Givetian |
|
| Plectochitina sp.1 | Aeronian | Aeronian |
|
| Plectochitina sp.1 Cram.,1973 | Llandoverian | Llandoverian |
|
| Plectochitina sp.1 Souf.& Acha.,2000 | Late Rhuddanian | Late Rhuddanian |
|
| Plectochitina sp.2 | Ludlovian | Ludlovian |
|
| Plectochitina sp.2 Souf.& Acha.,2000 | Late Rhuddanian | Late Rhuddanian |
|
| Plectochitina sp.A | Early Aeronian | Pridolian |
|
| Plectochitina sp.A Gaug.& Grah.,in press | Late Givetian | Frasnian |
|
| Plectochitina sp.A Grah.& Melo,2003 | Late Ludlovian | Early Givetian |
|
| Plectochitina sp.A Grah.,2002 | Givetian | Early Frasnian |
|
| Plectochitina sp.A Jagl.& Pari.,2002 | Middle Pridolian | Middle Pridolian |
|
| Plectochitina sp.B | Llandoverian | Wenlockian |
|
| Plectochitina sp.C | Llanvirnian | Late Ashgillian |
|
| Plectochitina sp.I | Late Llandoverian | Ludlovian |
|
| Plectochitina sp.II | Late Llandoverian | Ludlovian |
|