In 1941, with Branson, he described the conodont genera Bactrognathus, Doliognathus, Scaliognathus and Staurognathus.New and Little Known Carboniferous Conodont Genera. E. B. Branson and M. G. Mehl, Journal of Paleontology, Vol. 15, No. 2 (Mar., 1941), pages 97-106 (Stable URL, retrieved 29 April 2015)Phylogeny of the Multielement Conodont Genera Bactrognathus, Doliognathus and Staurognathus. Karl M. Chauff, Journal of Paleontology, Vol. 59, No. 2 (Mar., 1985), pages 299-309 (Stable URL, retrieved 22 April 2016)
