Literature
Authors(s) Zittel, K. A. von, Schimper, W. P., Schenk, A. and Scudder, S. H.
Year 1887
Title Traité de paléontologie, 1. Paléozoologie, 1. Mollusca et Arthropoda (translated by C. Barrois). Paris (O. Doin): 1-893, 1109 figs.