Chapple, D.G., Bell, T.P., Chapple, S.N.J., Miller, K.A., Daugherty, C.H. & Patterson, G.B. (2011) Phylogeography and taxonomic revision of the New Zealand cryptic skink (Oligosoma inconspicuum; Reptilia: Scincidae) species complex. Zootaxa, 2782 (1), 1–33.