Genus Ancyrochitina
- Species total:
- 231
- Age range:
- 570 - 115.67 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Ancyrochitina | Early Paleozoic | Meramecian |
|
| Ancyrochitina achinata | Late Gothlandian | Late Gothlandian |
|
| Ancyrochitina aculeata | Early Paleozoic | Late Devonian |
|
| Ancyrochitina acuta | Silurian | Silurian |
|
| Ancyrochitina aequoris | Silurian | Early Frasnian |
|
| Ancyrochitina alaticornis | Early Ordovician | Late Caradocian |
|
| Ancyrochitina alveolata | Late Llandoverian | Early Wenlockian |
|
| Ancyrochitina ancyrea | Ordovician | Devonian |
|
| Ancyrochitina ansarviensis | Early Gothlandian | Middle Wenlockian |
|
| Ancyrochitina arirambaense | Late Lochkovian | Early Givetian |
|
| Ancyrochitina arkonensis | Middle Devonian | Middle Devonian |
|
| Ancyrochitina asterigis | Gedinnian | Gedinnian |
|
| Ancyrochitina aurita | Early Paleozoic | Early Paleozoic |
|
| Ancyrochitina barbata | Ordovician | Actonian |
|
| Ancyrochitina barbescens | Caradocian | Caradocian |
|
| Ancyrochitina batidoriformis | Wenlockian | Early Ludlovian |
|
| Ancyrochitina belfastensis | Early Llandoverian | Early Llandoverian |
|