Amjad, H., A. Amjad, and E. R. Garton. “Wyominge Gracilis Ayne: G.novum, Sp.Novum. A New Trilobite from Carboniferous of Appalachia”. Proceedings of the West Virginia Academy of Science, vol. 89, no. 1, Apr. 2017, doi:10.55632/pwvas.v89i1.191.