Author M. Streng B. Melbin E. Landing J. Keppie Streng, M., Melbin, B., Landing, E., Keppie, J., 2011. Linguliform Brachiopods from the Terminal Cambrian and Lowest Ordovician of the Oaxaquia Microcontinent (Southern Mexico). Journal of Paleontology 85, 122-155. doi:10.1666/10-074.1
