Hughes, C.L., Kaufman, T.C. (2002): Exploring the myriapod body plan: expression patterns of the ten Hox genes in a centipede. Development, 129: 1225-1238.
Hughes, R.N. (1987): Mechanisms for turn alternation in four invertebrate species. Behavioural Processes, 14: 89-103.
Hughes, R.N. (1989):Essential involvement of specific legs in turn alternation of the woodlouse, Porcellio scaber. Comp. Biochem. Physiol., 93A: 493-497.
Hughes, R.N., Manríquez, P.H., Morley, S., Craig, S.F., Bishop, J.D.D. (2004): Kin or self-recognition? Colonial fusibility of the bryozoan Celleporella hyaline. Evolution & Development, 6: 431-437.