Genus Siphonochitina
- Species total:
- 13
- Age range:
- 570 - 325 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Siphonochitina | Ordovician | Meramecian |
|
| Siphonochitina baculiformis | Tremadocian | Tremadocian |
|
| Siphonochitina clavata | Early Ordovician | Caradocian |
|
| Siphonochitina copulata | Early Ordovician | Early Ordovician |
|
| Siphonochitina formosa | Early Ordovician | Middle Ashgillian |
|
| Siphonochitina jenkinsi | Arenigian | Early Llandeilian |
|
| Siphonochitina pellucida | Ordovician | Middle Arenigian |
|
| Siphonochitina robusta | Paleozoic | Caradocian |
|
| Siphonochitina sp | Middle Ordovician | Late Ordovician |
|
| Siphonochitina sp. Gao,1985 | Arenigian | Arenigian |
|
| Siphonochitina sp.A | Ordovician | Ordovician |
|
| Siphonochitina tenuicollis | Arenigian | Llandeilian |
|
| Siphonochitina veligera | Early Ordovician | Late Tremadocian |
|