Authors Year Title
McChesney 1860 Descriptions of new species of fossils from the Paleozoic rocks of the western states.
1-76, 1860.
McChesney 1865 Plates illustrating in part the new species of fossils from the Paleozoic rocks of the western states, and two new species noticed March 1860.
title page, pls.1-11 with plate descriptions, 1865.
McChesney 1868 Descriptions of fossil from the Paleozoic rocks of the western states.
Transactions Chicago Academy of Science, 1: 1-57, pls.1-9.
Plummer & Scott 1937 Upper Paleozoic ammonites in Texas.
The geology of Texas, vol.3 pt.1, Bull. Texas. Univ., 3701: 1-516, fig.1-88, pl.1-41; Austin, Texas.
Smith 1903 The Carboniferous Ammonoids of America.
Monography, U.S. geological Survey, 42: 1-211, pl.1-29; Washington.