Genus Sphaerochitina
- Species total:
- 126
- Age range:
- 4100 - 289 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sphaerochitina eisenacki | Nd | Nd |
|
| Sphaerochitina sp.3077a Magl.,1967 | Nd | Nd |
|
| Sphaerochitina distendis | Virgilian | Virgilian |
|
| Sphaerochitina taugourdeaui | Virgilian | Virgilian |
|
| Sphaerochitina hispida | Late Devonian | Late Devonian |
|
| Sphaerochitina comosa | Middle Devonian | Middle Devonian |
|
| Sphaerochitina rockglenensis | Middle Devonian | Middle Devonian |
|
| Sphaerochitina implicationis | Middle Devonian | Middle Devonian |
|
| Sphaerochitina sp.1 Anan.,1974 | Emsian | Frasnian |
|
| Sphaerochitina sp.2 Anan.,1974 | Emsian | Frasnian |
|
| Sphaerochitina sp.3 Anan.,1974 | Emsian | Frasnian |
|
| Sphaerochitina sp.C | Pragian | Pragian |
|
| Sphaerochitina sp. Winc.,1993 | Late Lochkovian | Early Pragian |
|
| Sphaerochitina diezae | Middle Gedinnian | Middle Gedinnian |
|
| Sphaerochitina densibaculata | Gedinnian | Emsian |
|
| Sphaerochitina sp.3062 | Lochkovian | Lochkovian |
|
| Sphaerochitina sp.3066 | Lochkovian | Lochkovian |
|