An interactive multi-entry key to the species of Megalostomis Chevrolat, with description of a new species from Paraguay (Chrysomelidae, Cryptocephalinae) by Federico Agrain

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Phylogenetic relationships in Nothofagus: The role of Antarctic fossil leaves by Bárbara Vento, Federico Agraín, Gabriela G. Puebla, Diego Pinzón

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Reconstrucciones bioclimáticas ancestrales en dos géneros de carábidos (coleoptera) by Federico Agrain, Rodolfo Carrara, Sergio Roig-Juñent, Martha Cecilia Domínguez, Marcelo Tognelli

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Patrones de especiación de insectos en la Payunia by Sergio Roig-Juñent, Rodolfo Carrara, Federico Agrain, Eider Ruiz-Manzanos, Marcelo F. Tognelli

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