1 literature reference for Micrarionta beatula Cockerell, 1929:

Author: Turgeon, D. D., J. F. Quinn, Jr., A. E. Bogan, E. V. Coan, F. G. Hochberg, W. G. Lyons, et al.
Year: 1998
Title: Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks, 2nd ed.
Source: American Fisheries Society Special Publication 26