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 |