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Thomas Kammer


Dr. Kammer specializes in paleontology and paleoecology of Paleozoic marine fossils, especially crinoids, plus stratigraphy of the Mississippian Period.

Kammer Paleo Research

RECENT SIGNIFICANT PUBLICATIONS Segessenman, D.C., and T.W. Kammer. 2018. Testing reduced evolutionary rates during the Late Palaeozoic Ice Age using the crinoid fossil record. LETHIA, 51:330-343. DOI: 10.1111/let.12239

Ausich, W.I., T.W. Kammer, E. C. Rhenberg, and D.F. Wright. 2015. Early phylogeny of crinoids within the Pelmatozoan clade. PALAEONTOLOGY, 58(6):937-952. DOI: 10.1111/pala.12204

Kammer, T.W., C. Bartels, W.I. Ausich. 2015. Presumed postlarval pentacrinoids from the Lower Devonian Hunsruck Slate, Germany. Lethaia, DOI 10.1111/let.12147.

Ausich, W.I., and T.W. Kammer. 2013. Mississippian crinoid biodiversity, biogeography, and macroevolution. PALAEONTOLOGY, 56:727-740.

Sallan, L.C., T. W. Kammer, W.I. Ausich, L. A. Cook. 2011 Persistent predator-prey dynamics revealed by mass extinction. PNAS, Proceedings of the National Academy of Sciences, 108(20):8335-8338.


· B.S. Geology, 1975, Kent State University

· M.S. Geology, 1978, Indiana University

· Ph.D. Geology, 1982, Indiana University


· 1982-1987, Assistant Professor of Geology

· 1987-1993, Associate Professor of Geology

· 1993-2016, Professor of Geology

· 1997-2016, Eberly College Centennial Professor of Geology