| Name | From | To | Age range |
|---|---|---|---|
| Plectochitina | Late Ordovician | Devonian |
|
| Plectochitina brevicollis | Telychian | Telychian |
|
| Plectochitina carminae | Early Paleozoic | Early Devonian |
|
| Plectochitina combazii | Llandoverian | Early Gedinnian |
|
| Plectochitina concinna | Pushgillian | Rawtheyan |
|
| Plectochitina fiangsuensis | Aeronian | Aeronian |
|
| Plectochitina filigrana | Late Llandoverian | Late Llandoverian |
|
| Plectochitina fragilis | Middle Llandoverian | Early Gedinnian |
|
| Plectochitina irregularis | Devonian | Early Gedinnian |
|
| Plectochitina jiangsuensis | Llandoverian | Llandoverian |
|
| Plectochitina longicornis | Early Llandoverian | Early Devonian |
|
| Plectochitina nodifera | Gamachian | Aeronian |
|
| Plectochitina nodosa | Gothlandian | Ludlovian |
|
| Plectochitina pachyderma | Late Llandoverian | Wenlockian |
|
| Plectochitina paraguayensis | Rhuddanian | Llandoverian |
|
| Plectochitina pseudoagglutinans | Early Gothlandian | Early Gedinnian |
|
| Plectochitina regularis | Pridolian | Lochkovian |
|