Mesoprocta hypsodus reconstruction (image) American Museum of Natural History Caption This is a reconstruction of Mesoprocta hypsodus, an extinct, 13-million-year-old Bolivian relative of the new dasyproctid rodent Andemys termasi from Chile. Credit V. Simeonovski & D.A. Croft Usage Restrictions Credit required Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.