A. E.  Verrill, ?Alcyonaria and Actinaria?, Report of the Canadian Arctic Expedition, vol. 8, pp. 1-164, 1922.

A. E.  Verrill, ?Results of the explorations made by the steamer Albatross off the northern coast of the United States in 1883?, Ann. Rept. U.S. Comm. Fish, vol. 1883, pp. 503-699, pls. 1-44, 1885.

A. E.  Verrill, ?Report on the Anthozoa, and on some additional species dredged by the ?Blake? in 1877-79, and by the U. S. Fish Commission steamer ?Fish Hawk? in 1880-82?, Bulletin of the Museum of Comparative Zoology Harvard, vol. 11, p. 72pp, 1883.

A. E.  Verrill, ?Reports on the Anthozoa, and on some additional species dredged by the "Blake" in 1877-1879, and by the U. S. Fish Commission Steamer "Fish Hawk" in 1880-82?, Bull. Mus. Comp. Zool. Harvard, vol. 11, pp. 1-72, 1883.