McLay, C.L., R.M. Feldmann, and D.I. MacKinnon (1995) New species of Miocene spider crabs from New Zealand, and a partial cladistic analysis of the genus Leptomithrax Miers, 1876 (Brachyura: Majidae). New Zealand Journal of Geology and Geophysics38: 299–313. PDF is 8.8MB