environments
| Image | Name | Location | |
|---|---|---|---|
| Allen Formation | Argentina | ||
| Bissekty Formation | Uzbekistan | ||
| Blue Lias | England | ||
| Cambridge Greensand Formation | England | ||
 | Crato Formation | Brazil | |
| Csehbanya Formation | Hungary | ||
| Dashanpu Formation | China | ||
| Goio-Ere Formation | Brazil | ||
 | Hateg Island | Romania | |
 | Jiufotang Formation | China |