Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina macrostoma | Late Wenlockian | Early Siegenian |
|
| Sphaerochitina valentini | Ludlovian | Ludlovian |
|
| Sphaerochitina scanica | Early Ludlovian | Early Ludlovian |
|
| Sphaerochitina lacrimula | Late Niagaran | Late Niagaran |
|
| Sphaerochitina complevisa | Late Gothlandian | Late Gothlandian |
|
| Sphaerochitina nodusa | Late Gothlandian | Late Gothlandian |
|
| Sphaerochitina patula | Pridolian | Early Pridolian |
|
| Sphaerochitina sp.3077b | Late Budnanian | Early Lochkovian |
|
| Sphaerochitina erecta | Late Ludlovian | Late Ludlovian |
|
| Sphaerochitina robusta | Late Ludlovian | Late Ludlovian |
|
| Sphaerochitina sp.3074c | Lochkovian | Lochkovian |
|
| Sphaerochitina sp.3074 | Lochkovian | Lochkovian |
|
| Sphaerochitina ricardi | Gedinnian | Eifelian |
|
| Sphaerochitina bifurcata | Early Devonian | Early Devonian |
|
| Sphaerochitina infundibulliformis | Early Devonian | Early Devonian |
|
| Sphaerochitina sp.3074b | Lochkovian | Lochkovian |
|
| Sphaerochitina sp.3042 | Lochkovian | Lochkovian |
|