Pachysammia valida, Verrill, Addison Emery, 1866

Verrill, Addison Emery, 1866, Synopsis of the polyps and corals of the North Pacific exploring Expedition, under Commodore C. Ringgold and Capt. John Rodgers, U. S. N. from 1853 to 1856. Collected by Dr. Wm. Stimpson, Naturalist to the Expedition. With descriptions of some additional species from the west coast of North America, Proceedings of the Essex Institute (Communications) 5, pp. 17-50 : 30

This treatment is a stub. You can help Plazi making the full treatment available by uploading the source publication.