Subclass
Arandaspida Ritchie et Gilbert-Tomlinson, 1977
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 818-1 | Ordovician | |||||
| GIT 818-219 | Lower Ordovician | Stairway sandstone | |||||
| GIT 818-220 | Lower Ordovician | Stairway sandstone | |||||
| GIT 818-221 | Lower Ordovician | Stairway sandstone | |||||
| GIT 865-10 | Upper Ordovician | |||||
| GIT 865-11 | Upper Ordovician | |||||
| GIT 865-7 | Middle Ordovician |