The Swain Reefs Expedition: Crinoidea
Abstract
Eighteen species of crinoids collected at the Swain Reefs, 21°43′S 152°25′E; N.E. of the Capricorn Channel, are discussed, one of these, the unusual five-armed Eudiocrinus serripinna A. H. Clark, representing a genus new to the Australian fauna. The range of two other species, Oligometra serripinna (P. H. Carpenter) and Ptilometra australis (Witton), are extended into Queensland waters by the expedition's work.