Revision of the genus Nopachtus Ameghino and Phlyctaenopyga Cabrera (Xenarthra, Glyptodontidae, Hoplophorinae) from the Late Miocene and Pliocene of Argentina. Revista del Museo Argentino de Ciencias Naturales, 13(1) 2011: 59-68. 65 [Zoological Record Volume 148]