Brachiopod Location: Tucson Mountains. Age: Mid to late Permian Formation: Rain Valley | ![]() |
Brachiopod Location: Tucson Mountains. Age: Mid to late Permian Formation: Rain Valley | ![]() |
Crinoid Stem (poorly preserved) Location: Tucson Mountains. Age: Mid to late Permian Formation: Rain Valley | ![]() |
Branching Bryozoa Location: Tucson Mountains. Age: Mid to late Permian Formation: Rain Valley | ![]() |