Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina longiformis | Late Ordovician | Late Ordovician |
|
| Sphaerochitina elegans | Late Ordovician | Late Ordovician |
|
| Sphaerochitina undosa | Late Ordovician | Late Ordovician |
|
| Sphaerochitina brevis | Late Ordovician | Early Gothlandian |
|
| Sphaerochitina symmetrica | Late Ordovician | Late Ordovician |
|
| Sphaerochitina singula | Late Ordovician | Late Ordovician |
|
| Sphaerochitina actonica | Caradocian | Middle Caradocian |
|
| Sphaerochitina sp.1 | Caradocian | Middle Carboniferous |
|
| Sphaerochitina hirsuta | Caradocian | Caradocian |
|
| Sphaerochitina pyrula | Silurian | Silurian |
|
| Sphaerochitina sp.A | Llandoverian | Early Wenlockian |
|
| Sphaerochitina cuvillieri | Silurian | Famennian |
|
| Sphaerochitina indecora | Llandoverian | Wenlockian |
|
| Sphaerochitina rara | Early Gothlandian | Early Gothlandian |
|
| Sphaerochitina sp. Ilie.& Krau.,1975 | Early Gothlandian | Devonian |
|
| Sphaerochitina sp.3 | Valentian | Frasnian |
|
| Sphaerochitina silurica | Llandoverian | Llandoverian |
|