Choanoflagellida

Lee, J.J.; Leedale, G.F.; Bradbury, P. (Ed.) (2000). An illustrated guide to the Protozoa: Organisms traditionally referred to as Protozoa, or newly discovered groups. Volume I. Second edition. ISBN 1-891276-22-0. Society of Protozoologists: Lawrence. 1-689 pp.

Parker, S.P. (Ed.) (1982). Synopsis and classification of living organisms. McGraw Hill Book Company: New York, NY (USA). ISBN 0-07-079031-0. 1166, 1232 pp.