Golding, M. (2018). The multielement apparatuses of Guadalupian to Lopingian (Middle-Upper Permian) sweetognathids from North America, and their significance for the phylogeny of Late Paleozoic conodonts. Bulletins of American Paleontology. 395-396: 115-125.
The multielement apparatuses of Guadalupian to Lopingian (Middle-Upper Permian) sweetognathids from North America, and their significance for the phylogeny of Late Paleozoic conodonts