The holotype material (MLP 26–39, Museo de La Plata, La Plata, Argentina) was collected from the Cerro Barcino Formation, Cañadón Grande, Departamento Paso de Indios in the Chubut Province of Argentina and consists of an incomplete snout, including the premaxillae, portions of both maxillas, the right and left dentary, many teeth, a fragment of the left splenial, and parts of the supradentaries.
The holotype specimen (MLP 26–39) from the Cerro Barcino Formation in Argentina is a partial snout containing premaxillae, maxillae, dentary, teeth, splenial fragment, and supradentaries.