1. A new Calyptocephalellidae (Anura, Neobatrachia) from the Upper Cretaceous of Patagonia, Argentina, with comments on its systematic position;Agnolín F. L.;Studia Geologica Salmanticensia,2012
2. Fossil birds from the Late Cretaceous Los Alamitos Formation, Río Negro Province, Argentina
3. Neornithine bird coracoid from the Upper Cretaceous of Patagonia;Agnolín F. L.;Ameghiniana,2006
4. Um novo Psilopteridae (Aves: Gruiformes) dos sedimentos Terciários de Itaboraí, Rio de Janeiro, Brasil;Alvarenga H. M. F.;Série Geologia,1985
5. A new flightless landbird from the Cretaceous of Patagonia;Alvarenga H. M. F.;Natural History Museum of Los Angeles County, Science Series,1992