Attributes / relations provided by
♦ ¹Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979
♦ ²"Feeding behavior, ration and size structure of a population of the predatory gastropod Cryptonatica janthostoma in Vostok Bay, Sea of Japan", N. I. Selin, Russian Journal of Marine Biology Volume 34, Number 3 (2008), 186-190