Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina scanica | Early Ludlovian | Early Ludlovian |
|
| Sphaerochitina saharica | Early Paleozoic | Early Paleozoic |
|
| Sphaerochitina rotunda | Wenlockian | Wenlockian |
|
| Sphaerochitina rockglenensis | Middle Devonian | Middle Devonian |
|
| Sphaerochitina robusta | Late Ludlovian | Late Ludlovian |
|
| Sphaerochitina rimosa | Wenlockian | Wenlockian |
|
| Sphaerochitina ricardi | Gedinnian | Eifelian |
|
| Sphaerochitina resupina | Wenlockian | Wenlockian |
|
| Sphaerochitina rara | Early Gothlandian | Early Gothlandian |
|
| Sphaerochitina pyrula | Silurian | Silurian |
|
| Sphaerochitina prussica | Tremadocian | Caradocian |
|
| Sphaerochitina problematica | Wenlockian | Wenlockian |
|
| Sphaerochitina pistilliformis | Late Algonkian | Late Devonian |
|
| Sphaerochitina piriformis | Ordovician | Silurian |
|
| Sphaerochitina pilosa | Early Paleozoic | Late Devonian |
|
| Sphaerochitina patula | Pridolian | Early Pridolian |
|
| Sphaerochitina oelandica | Arenigian | Arenigian |
|