Descriptions of new species of Palæozoic fossils, from the Lower Helderberg, Oriskany sandstone, Upper Helderberg, Hamilton and Chemung groups. - Hall, James, 1811-1898 (Albany, C. Van Benthuysen, printer, 1857)
Extracted from the report of the regents of the University for 1856.
Keywords: Paleontology -- Paleozoic; Paleontology -- New York (State)