Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina explanata | Wenlockian | Wenlockian |
|
| Sphaerochitina sp.I | Early Llandoverian | Early Llandoverian |
|
| Sphaerochitina taugourdeaui | Virgilian | Virgilian |
|
| Sphaerochitina amazonica | Early Gothlandian | Early Gothlandian |
|
| Sphaerochitina capillata | Silurian | Silurian |
|
| Sphaerochitina hispida | Late Devonian | Late Devonian |
|
| Sphaerochitina complevisa | Late Gothlandian | Late Gothlandian |
|
| Sphaerochitina kazakhstanica | Tremadocian | Tremadocian |
|
| Sphaerochitina pyrula | Silurian | Silurian |
|
| Sphaerochitina makromyka | Late Ordovician | Late Ordovician |
|
| Sphaerochitina diversa | Wenlockian | Wenlockian |
|
| Sphaerochitina valentini | Ludlovian | Ludlovian |
|
| Sphaerochitina lateris | Middle Ordovician | Middle Ordovician |
|
| Sphaerochitina rara | Early Gothlandian | Early Gothlandian |
|
| Sphaerochitina bifurcata | Early Devonian | Early Devonian |
|
| Sphaerochitina lacrimula | Late Niagaran | Late Niagaran |
|
| Sphaerochitina infundibulliformis | Early Devonian | Early Devonian |
|