Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina sp.3077a | Lochkovian | Lochkovian |
|
| Sphaerochitina sp.3077a Magl.,1967 | Nd | Nd |
|
| Sphaerochitina sp.3077b | Late Budnanian | Early Lochkovian |
|
| Sphaerochitina sp.A | Llandoverian | Early Wenlockian |
|
| Sphaerochitina sp.B | Aeronian | Early Wenlockian |
|
| Sphaerochitina sp.B Pari.,1985 | Early Gothlandian | Late Telychian |
|
| Sphaerochitina sp.BT11 | Early Gedinnian | Early Gedinnian |
|
| Sphaerochitina sp.C | Pragian | Pragian |
|
| Sphaerochitina sp.E | Late Llandoverian | Early Wenlockian |
|
| Sphaerochitina sp.F | Late Llandoverian | Middle Wenlockian |
|
| Sphaerochitina sp.G | Late Llandoverian | Early Wenlockian |
|
| Sphaerochitina sp.I | Early Llandoverian | Early Llandoverian |
|
| Sphaerochitina sphaerocephala | Ordovician | Devonian |
|
| Sphaerochitina spinipes | Early Paleozoic | Silurian |
|
| Sphaerochitina suspensa | Middle Ordovician | Middle Ordovician |
|
| Sphaerochitina symmetrica | Late Ordovician | Late Ordovician |
|
| Sphaerochitina taenia | Valentian | Valentian |
|