Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina lucianoi | Silurian | Early Devonian |
|
| Sphaerochitina acanthifera | Ordovician | Emsian |
|
| Sphaerochitina minima | Wenlockian | Eifelian |
|
| Sphaerochitina ricardi | Gedinnian | Eifelian |
|
| Sphaerochitina sp.3 | Valentian | Frasnian |
|
| Sphaerochitina sp.2 | Late Algonkian | Late Frasnian |
|
| Sphaerochitina sp.1 Anan.,1974 | Emsian | Frasnian |
|
| Sphaerochitina sp.2 Anan.,1974 | Emsian | Frasnian |
|
| Sphaerochitina sp.3 Anan.,1974 | Emsian | Frasnian |
|
| Sphaerochitina | Precambriam | Late Devonian |
|
| Sphaerochitina sphaerocephala | Ordovician | Devonian |
|
| Sphaerochitina pilosa | Early Paleozoic | Late Devonian |
|
| Sphaerochitina complanata | Valentian | Famennian |
|
| Sphaerochitina collinsoni | Early Gothlandian | Late Devonian |
|
| Sphaerochitina fenestrata | Early Devonian | Famennian |
|
| Sphaerochitina schwalbi | Early Paleozoic | Late Devonian |
|
| Sphaerochitina nodulosa | Early Gothlandian | Late Devonian |
|