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Description of Amoenoscopa caudataCell are solitary. The lorica is 19-23 microns long (without stalk) and comprises anterior spines, a lorica chamber and a thick stalk. There are 15-18 anterior spines each composed of 2 costal strips. The apical end of the anterior costal strip of the spine is trifurcated. The lorica chamber is composed of 20-26 longitudinal and 2-3 transverse costae. Each of the longitudinal costae is composed of one costal strip and they converge posteriorly onto the long stalk which is a bundle of 3-4 costal strips. Transverse costal strips connect on the inside of the lorica chamber at the base of the anterior spines. All the costal strips are thick and long.