Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina seducta | Wenlockian | Wenlockian |
|
| Sphaerochitina silurica | Llandoverian | Llandoverian |
|
| Sphaerochitina vetusta | Late Ordovician | Late Ordovician |
|
| Sphaerochitina robusta | Late Ludlovian | Late Ludlovian |
|
| Sphaerochitina longiformis | Late Ordovician | Late Ordovician |
|
| Sphaerochitina noncopiosa | Late Ordovician | Late Ordovician |
|
| Sphaerochitina problematica | Wenlockian | Wenlockian |
|
| Sphaerochitina elegans | Late Ordovician | Late Ordovician |
|
| Sphaerochitina brechyta | Arenigian | Arenigian |
|
| Sphaerochitina sp. Paal.et al,1998 | Homerian | Homerian |
|
| Sphaerochitina suspensa | Middle Ordovician | Middle Ordovician |
|
| Sphaerochitina resupina | Wenlockian | Wenlockian |
|
| Sphaerochitina transitiformis | Wenlockian | Wenlockian |
|
| Sphaerochitina comosa | Middle Devonian | Middle Devonian |
|
| Sphaerochitina rimosa | Wenlockian | Wenlockian |
|
| Sphaerochitina scurra | Wenlockian | Wenlockian |
|
| Sphaerochitina sp. Gao,1985 | Arenigian | Arenigian |
|