Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina oblonga | Late Arenigian | Late Arenigian |
|
| Sphaerochitina noncopiosa | Late Ordovician | Late Ordovician |
|
| Sphaerochitina nodusa | Late Gothlandian | Late Gothlandian |
|
| Sphaerochitina nodulosa | Early Gothlandian | Late Devonian |
|
| Sphaerochitina mundana | Llanvirnian | Late Llandeilian |
|
| Sphaerochitina minima | Wenlockian | Eifelian |
|
| Sphaerochitina makromyka | Late Ordovician | Late Ordovician |
|
| Sphaerochitina macrostoma | Late Wenlockian | Early Siegenian |
|
| Sphaerochitina lycoperdoides | Wenlockian | Ludlovian |
|
| Sphaerochitina lucianoi | Silurian | Early Devonian |
|
| Sphaerochitina longiformis | Late Ordovician | Late Ordovician |
|
| Sphaerochitina longicollis | Ordovician | Devonian |
|
| Sphaerochitina llorona | Middle Ordovician | Early Siegenian |
|
| Sphaerochitina lepta | Arenigian | Early Llandoverian |
|
| Sphaerochitina lateris | Middle Ordovician | Middle Ordovician |
|
| Sphaerochitina lacrimula | Late Niagaran | Late Niagaran |
|
| Sphaerochitina kazakhstanica | Tremadocian | Tremadocian |
|