A review of Hawaiian zoanthids with descriptions of three new species

This paper gives descriptions of zoanthids collected from coral reefs and shores of the Hawaiian Islands between June 1965 and June 1967. Isaurus elongatus Verrill (1928) and Palythoa tuberculosa Esper (1791) are redescribed and Zoanthus vestitus Verrill (1928) is reclassified as Palythoa vestitus. Zoanthus confertus Verrill (1928) and Z. nitidus Verrill (1928) are combined under the new species name Zoanthus paciflcus. New species described are P. psammophilia, P. toxica, and Z. kealakehuaensis. A list of zoanthid species from the south-western Pacific Ocean is given.