1 literature reference for Freyella breviispina (H.L. Clark, 1920):

Author: Clark, H.L.
Year: 1920
Title: Reports on the scientific results of the expedition to the Eastern Tropical Pacific, in charge of Alexander Agassiz, by the US Fish commission Steamer Albatross, from October 1905 to March 1905, Lt. Cmdr. L.M. Garrett, USN, Commanding. XXXII. Asteroidea.