title: First findings of сentrohelid heliozoans (Haptista: Centroplasthelida) from marine and freshwater environments of South Korea
abstract: The morphology of the siliceous scales and organic spicules of centrohelid heliozoans collected from two river sites and one marine site in South Korea has been investigated. Five species including one subspecies, one centrohelidian identified at the genus level, and Heterophrys-like organisms were examined. New species, Pterocystis jongsooparkii sp. nov. was described. This heliozoan is characterized by the unique morphology of spine scales: lateral wings ornamented by 10-15 transverse slits; t
journal: Protistology