Emmonsaspis Resser, Howell & Howell 1938

Resser, Howell & Howell 1938. Crustacea Lower Cambrian Olenellus zone of the Appalachians., Bull. Geol. Soc. Amer. Washington, D.C. 49 1938 pp. 231-233 figs., 1938: pp. 231-233. Chapter pagination: pp. 231-233