Thalassema
Thalassema is a genus of spoonworms in the subclass Echiura.
Species
The World Register of Marine Species includes these species in this genus:-Thalassema antarcticum Stephen, 1941Thalassema arcassonense Cuénot, 1902Thalassema diaphanes Sluiter, 1889Thalassema elapsum Sluiter, 1912Thalassema fuscum Ikeda, 1904Thalassema hartmani Fisher, 1947Thalassema jenniferae Biseswar, 1988Thalassema liliae Schaeffer, 1972Thalassema malakhovi Popkov, 1992Thalassema marshalli Prashad, 1935Thalassema mortenseni Fischer, 1923Thalassema ochotica Pergament, 1961Thalassema ovatum Sluiter, 1902Thalassema owstoni Ikeda, 1904Thalassema papillosum Thalassema philostracum Fisher, 1947Thalassema steinbecki Fisher, 1946Thalassema sydniense Edmonds, 1960Thalassema thalassema Thalassema viride Verrill, 1879