Author : Gardner.C.J. 1 Proposed action plan for the conservation of the Madagascar spider tortoise, Pyxis arachnoides Serial title : Chelonian Research Monographs 2013 Authors : Castellano, C.M. Gardner.C.J. Ogle, M. RAFELIARISOA, T.H. Rakotondrainy, R. Ramahaleo, T.A. Randriamahazo, H. Walker, R.C.J.