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Abstract: In this paper, a model of carnivore taphonomic action in the Argentinean Puna is applied to archaeological site Inca Cueva-cueva 4, on the Eastern Fringe of the Puna East of the Andes cordillera, which contains hunter–gatherer occupations dating to the early and middle Holocene. Different indicators, such as the low levels of bone modifications (ca. 2 to 8% NISP), consisting mainly in subtle marks, suggest a low intensity of the intervention of carnivores during the formation of these deposits. Variables such as the frequency of carnivore scats attest to repeated carnivore visits to the cave, but the “dilution effect” upon the small faunal assemblages these carnivores tend to accumulate in a context of larger zooarchaeological assemblages would have faded their traces away. [Copyright &y& Elsevier]

Abstract: Taxonomy of 57 bivalves, internal and external molds is described in this paper, corresponding to three paleotaxodontids genera Praectenodonta, Praenucula and Notonucula. Samples were collected from nine sites, where stratigraphic columns were measured in Silurian to Devonian series from Altiplano, Cordillera Oriental and Interandean of Bolivia. For the first time in Bolivia, Praectenodonta and Notonucula have been identified. Four species have been described, three of them are new: Praectenodonta boliviensis n. sp., Praenucula quichua n. sp. and Notonucula altiplanica n. sp. Paleogeography of new species and genera is proposed. [Copyright &y& Elsevier]

Most of the material review in this paper was included in the work of Sudre et al. (1983), some other provides from new sites. Two new species of primitive artiodactyls are described here: Diacodexis corsaensis n. sp. and Eygalayodon isavenaensis n. sp., which is considered the most plesiomorphic form of the subfamily Eurodexeinae and probable derived from Diacodexis corsaensis n. sp. It is for the first time that a representative of the Eurodexeinae is found in the Iberian Peninsula, where they might originate. [Copyright &y& Elsevier]