Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina oblonga | Late Arenigian | Late Arenigian |
|
| Sphaerochitina infundibulliformis | Early Devonian | Early Devonian |
|
| Sphaerochitina sp.3074b | Lochkovian | Lochkovian |
|
| Sphaerochitina sp.3077a Magl.,1967 | Nd | Nd |
|
| Sphaerochitina sp.3042 | Lochkovian | Lochkovian |
|
| Sphaerochitina seducta | Wenlockian | Wenlockian |
|
| Sphaerochitina silurica | Llandoverian | Llandoverian |
|
| Sphaerochitina erecta | Late Ludlovian | Late Ludlovian |
|
| Sphaerochitina robusta | Late Ludlovian | Late Ludlovian |
|
| Sphaerochitina vetusta | Late Ordovician | Late Ordovician |
|
| Sphaerochitina noncopiosa | Late Ordovician | Late Ordovician |
|
| Sphaerochitina longiformis | Late Ordovician | Late Ordovician |
|
| Sphaerochitina problematica | Wenlockian | Wenlockian |
|
| Sphaerochitina elegans | Late Ordovician | Late Ordovician |
|
| Sphaerochitina sp. Paal.et al,1998 | Homerian | Homerian |
|
| Sphaerochitina brechyta | Arenigian | Arenigian |
|
| Sphaerochitina resupina | Wenlockian | Wenlockian |
|