Photos of Brachiopods
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita sp. Location: Tucson Mountains Age: Late Permian Formation: Concha Limestone |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita sp. Age: Age: Pennsylvanian Formation: Horquilla Limestone |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita Age: Mid to late Permian Formation: Concha The Pedicle opening can be seen. |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita Age: Age: Pennsylvanian? Formation: Horquilla Limestone? |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita Age: Mid to late Permian Formation: Concha |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita The Lophophore can be seen. Location: Tucson Mountains Age: Mid to late Permian Formation: Concha |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita Age: Mid to late Permian Formation: Concha |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita Location: Tucson Mountains Age: Mid to late Permian Formation: Concha Limestone |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita Location: Near Sonoita Az. Age: Pennsylvanian/Permian Formation: Earp |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita Location: Tucson Mountains Age: Mid to late Permian Formation: Rain Valley |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Suborder: Athyrididina Genus: Composita Location: Near Sonoita Az. Age: Pennsylvanian/Permian Formation: Earp |  |