Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina ricardi | Gedinnian | Eifelian |
|
| Sphaerochitina rimosa | Wenlockian | Wenlockian |
|
| Sphaerochitina robusta | Late Ludlovian | Late Ludlovian |
|
| Sphaerochitina rockglenensis | Middle Devonian | Middle Devonian |
|
| Sphaerochitina rotunda | Wenlockian | Wenlockian |
|
| Sphaerochitina saharica | Early Paleozoic | Early Paleozoic |
|
| Sphaerochitina scanica | Early Ludlovian | Early Ludlovian |
|
| Sphaerochitina schwalbi | Early Paleozoic | Late Devonian |
|
| Sphaerochitina scurra | Wenlockian | Wenlockian |
|
| Sphaerochitina seducta | Wenlockian | Wenlockian |
|
| Sphaerochitina serpaglii | Sheinwoodian | Homerian |
|
| Sphaerochitina silurica | Llandoverian | Llandoverian |
|
| Sphaerochitina singula | Late Ordovician | Late Ordovician |
|
| Sphaerochitina solitudina | Rhuddanian | Early Telychian |
|
| Sphaerochitina solutidina | Rhuddanian | Telychian |
|
| Sphaerochitina sp | Early Ordovician | Devonian |
|
| Sphaerochitina sp. Gao,1985 | Arenigian | Arenigian |
|