Colleted Specimens From the Sonoita Expedition 10/2000
| Phylum: Echinodermata Subphylum: Echinozoa Class: Echinoidea Echinoid Plate and Sea Urchin Spine Location: Near Sonoita Az. Age: Pennsylvanian Formation: Colina |  |
| Phylum: Echinodermata Subphylum: Echinozoa Class: Echinoidea Echinoid Plate and Sea Urchin Spine Location: Near Sonoita Az. Age: Pennsylvanian Formation: Colina | |