Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Genus: Mucrospirifer Location: Near Sonoita AZ. Age: Pennsylvanian/Permian Formation: Earp | ![]() |
Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Genus: Mucrospirifer Location: Near Oracle Az. Age: Mississippian Formation: Escabrosa Limestone | ![]() |
Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Genus: Mucrospirifer Location: Near Oracle Az. Age: Mississippian Formation: Escabrosa Limestone | ![]() |