Tasch 1970. Branchiopoda. Treatise on invertebrate palaeontology. Part R. Arthropoda 4. Crustacea (except Ostracoda); Myriapoda Hexapoda. Volume 1., Geological Society of America, Inc. & University of Kansas, 1969., 1970: R332-R344. Chapter pagination: R128-R191, 29 figs.