Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina | Precambriam | Late Devonian |
|
| Sphaerochitina sp.2 | Late Algonkian | Late Frasnian |
|
| Sphaerochitina pistilliformis | Late Algonkian | Late Devonian |
|
| Sphaerochitina pilosa | Early Paleozoic | Late Devonian |
|
| Sphaerochitina spinipes | Early Paleozoic | Silurian |
|
| Sphaerochitina saharica | Early Paleozoic | Early Paleozoic |
|
| Sphaerochitina schwalbi | Early Paleozoic | Late Devonian |
|
| Sphaerochitina compactilis | Early Paleozoic | Ashgillian |
|
| Sphaerochitina vitrea | Early Paleozoic | Ludlovian |
|
| Sphaerochitina brevispinosa | Paleozoic | Late Devonian |
|
| Sphaerochitina sphaerocephala | Ordovician | Devonian |
|
| Sphaerochitina piriformis | Ordovician | Silurian |
|
| Sphaerochitina dubia | Ordovician | Late Gothlandian |
|
| Sphaerochitina gracqui | Ordovician | Ashgillian |
|
| Sphaerochitina prussica | Tremadocian | Caradocian |
|
| Sphaerochitina fungiformis | Tremadocian | Ludlovian |
|
| Sphaerochitina brevicollis | Ordovician | Ordovician |
|