The great American carbonate bankJames R. Derby, R. D. Fritz, Susan Ann Longacre, William A. Morgan, Charles A. Sternbach · First published 2012Open the Tome
Trilobites of the Upper Cambrian Ptychaspic biomereSusan Ann Longacre · First published 1970Open the Tome
Trilobites of the upper Cambrian Ptychaspid biomere, Wilberns formation, central TexasSusan Ann Burton Longacre · First published 1970Open the Tome
