ISSN 1809-127X (online edition) © 2011 Check List and Authors Chec List Open Access | Freely available at www.checklist.org.br Journal of species lists and distribution Lizards of Rio Negro Province, northern Patagonia, PECIES S Argentina OF ISTS L Cristian Hernan Fulvio Perez 1, Nicolas Frutos 1, Monica Kozykariski 1, Mariana Morando 1, Daniel Roberto Perez 2 and Luciano Javier Avila 1* 1 CENPAT-CONICET. Boulevard Almirante Brown 2915, U9120ACD. Puerto Madryn, Chubut, Argentina. 2 Universidad Nacional del Comahue, Escuela Superior de Salud y Ambiente. Buenos Aires 1400, 8300, Neuquén, Neuquén, Argentina. * Corresponding author. E-mail:
[email protected] Abstract: We provide a checklist of lizards distributed in the Rio Negro province, northern Patagonia, Argentina. Representatives of 45 species of lizards were found inhabiting this region as well as several still undescribed species. This list is a contribution to the still poorly known herpetofauna of the region. Introduction Morando 2002; Belver and Avila 2002; Ibargüengoytía Knowledge of Argentinean lizards has grown 2004; Ibargüengoytía et al. 2005; Perez and Avila 2005; exponentially in the last decade. In general the majority of Perez et al. 2005; Yokes et al. 2006; Frutos et al. 2007; the new information is concentrated around big cities with Ibargüengoytía and Casalins 2007; Morando et al. 2007; academic institutions or in areas with some particular Ibargüengoytía et al. 2008; Perez et al. 2008; Nori et al. interest, as an accessible mountain range, national park, 2010a;b; Scrocchi et al. 2010), as well as descriptions of or subject to survey for environmental studies related to new species (Abdala 2003; 2005; Etheridge and Christie some kind of human perturbation.