Taxonomic Study of Suborder Calcaxonia (Alcyonacea: Octocorallia: Anthozoa) from King Sejong Station, Antarctic

Abstract

Some gorgonians in the families, Primnoidae and Isididae within the suborder Calcaxonia were collected from subtidal zones between depths of 10 and 45 m in the coastal regions of King Sejong Station (62??13′S, 058?? 47′W), Korea Polar Research Institute of Korea Ocean Research and Development Institute (KORDI) by SCUBA diving from 2009 to 2011. Three species in the Primnoidae, Arntzia gracilis (Molander, 1929), Thouarella (Thouarella) antarctica (Valenciennes, 1846) and Onogorgia nodosa (Molander, 1929), and also one species in the family Isididae, Tenuisis microspiculata (Molander, 1929) are newly recorded to octocorallian fauna in Marian Cove and Potter Cove of King George Island. These four species have been described in detail.

Keywords

• Octocorallia
• Calcaxonia
• Primnoidae
• Isididae
• King Sejong Station
• Antarctic