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APA Citation
Thompson, J. R., & Ausich, W. I. (2016). facies distribution and taphonomy of echinoids from the Fort Payne Formation (late Osagean, early Viséan, Mississippian) of Kentucky. Journal of paleontology, 90, 239–249. http://access.bl.uk/ark:/81055/vdc_100033772993.0x00003e