Rocha, A.M., Izaguirre, M.F., Moly de Peluffo, M.C., Peluffo, J.R. and Casco, V.H. 2007. Ultrastructure of the cuticle of Echinscus rufoviridis [Du Bois - Raymond Marcus, (1944) Hetero Tardigrada]. Acta Microscopica. 16, 1-2 (Dec. 2007), 16-21.