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The Department of Geology at the Museum of Northern Arizona (MNA) houses over 22,000 specimens including rocks, minerals, fossil vertebrates, invertebrates, and plants from across the Southwest, with particular focus on the southern Colorado Plateau.  The fossil research collections are well represented by Paleozoic invertebrates from the Grand Canyon area, Triassic vertebrates from the broadly exposed Chinle Formation, a large fossil trackway and footprint collection from both the Permian Coconino Sandstone and the Triassic Moenkopi Formation, Late Cretaceous faunas from marine and terrestrial deposits of southern Utah, and late Cenozoic birds and microvertebrates from the Verde Valley area.  Recent field activities have been hugely successful with the acquisition of several new specimens of marine reptiles and dinosaurs.

Members of the collections staff recently initiated a program of collection renovation including updating specimen catalogs, loan records, and specimen care and storage, as well as the computerization of specimen, locality, and accession data.

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