Ana M. Valenzuela-Toro, Ph.D.
 

Valenzuela-Toro, A.M., Gutstein, C.S, and Suárez, M. Submitted. Exceptional morphological and taxonomic diversity of early seals (Phocidae) from the Atacama Region, Chile. Historical Biology (Manuscript ID GHBI-2023-0242).

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Pimiento, C., Kocakova, K., Mathes, G., Argyriou, T., Cooper, J., Field, D., Klug, C., Scheyer, T., Valenzuela-Toro, A.M. et al. In review. The extinct marine megafauna of the Phanerozoic. Cambridge Prisms: Extinction (Manuscript ID EXT-22-0018).

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Valenzuela-Toro, A.M. et al. In review. Stable isotope evidence for the paleoecology and niche partitioning in extinct marine predators. Palaeogeography, Palaeoclimatology, Palaeoecology (Manuscript ID PALAEO-D-23-00931).

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Valenzuela-Toro, A.M., Costa, D. P., Mehta, R., Pyenson, N. D., and Koch, P. L. Unexpected decadal density-dependent shifts in California sea lions size, morphology, and foraging niche. Current Biology 33, 2111–2119.

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Valenzuela-Toro, A.M., Mehta, R., Pyenson, N. D., Costa, D.P., and Koch, P.L. Foraging in eared seal community is structured by body size and feeding morphology. Biology Letters 19(3), 20220534. 

 

*Viglino, M., *Valenzuela-Toro, A.M. et al. Aquatic mammal fossils in Latin America – a review of records, advances, and challenges in research in the last 30 years. Latin American Journal of Aquatic Mammals 18(1), 50-66. 

 

 

Valenzuela-Toro, A.M., and Pyenson, N. D. New seal (Carnivora, Phocidae) record from the late Miocene-Pliocene of Guafo Island, southern Chile. Ameghiniana 59 (5), 355-365.

 

Matsui, K., Valenzuela-Toro, A.M. and Pyenson, N.D. New data from the first discovered paleoparadoxiid (Desmostylia) specimen shed light into the morphological variation of the genus Neoparadoxia. Scientific reports, 12(1), 1-10. 

 

*Benites-Palomino, A., *Valenzuela-Toro, A.M., Figueroa-Bravo, C., Varas-Malca, R.M., Nielsen, S.N., Gutstein, C.S. and Carrillo-Biceño, J.D., 2022. A new marine mammal assemblage from central Chile reveals the Pliocene survival of true seals in South America. Historical Biology, 1-13. 

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Valenzuela-Toro, A.M., and Viglino, M. Latin American Challenges. Nature 598: 374-375. Online version: “How Latin American researchers suffer in science”

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Cronin M. R., [and 23 others, incl. Valenzuela-Toro, A.M.]. Anti-racist interventions to transform ecology, evolution and conservation biology departments. Nature Ecology & Evolution, 5(9), 1213-1223. 

 

Costa, D.P. and Valenzuela-Toro, A.M. When physiology and ecology meet: the interdependency between foraging ecology and reproduction in Otariids. In Ethology and Behavioral Ecology of Otariids and the Odobenid (pp. 21-50). Springer, Cham.

 

Otero, R.A., Bravo, C.F., Soto-Huenchumán, P., Fernández-Collemann, S., Valenzuela-Toro, A.M. and Gutstein, C.S. First record of chimaeroid fish Ischyodus from the Upper Jurassic of southwestern Gondwana. Acta Palaeontologica Polonica, 66(3), 623-630. 

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Valenzuela-Toro, A.M., Zicos, M.H. and Pyenson, N.D. Extreme dispersal or human-transport? The enigmatic case of an extralimital freshwater occurrence of a Southern elephant seal from Indiana. PeerJ, 8, p.e9665. 

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Valenzuela-Toro, A.M. and Pyenson, N.D. What do we know about the fossil record of pinnipeds? A historiographical investigation. Royal Society Open Science, 6(11), p.191394. 

 

Velez-Juarbe, J. and Valenzuela-Toro, A.M. Oldest record of monk seals from the North Pacific and biogeographic implications. Biology Letters 15(5), p.20190108.

 

 

Häussermann, V., Gutstein, C.S., Bedington, M., Cassis, D., Olavarria, C., Dale, A.C., Valenzuela-Toro, A.M., Perez-Alvarez, M.J., Sepúlveda, H.H., McConnell, K.M. and Horwitz, F.E., 2017. Largest baleen whale mass mortality during strong El Niño event is likely related to harmful toxic algal bloom. PeerJ, 5, p.e3123.

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Valenzuela-Toro, A.M., Pyenson, N.D., Gutstein, C.S. and Suárez, M.E. A new dwarf seal from the late Neogene of South America and the evolution of pinnipeds in the Southern Hemisphere. Papers in Palaeontology, 2(1), 101-115. 

 

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Valenzuela-Toro, A.M., Gutstein, C.S., Suárez, M.E., Otero, R. and Pyenson, N.D. Elephant seal (Mirounga sp.) from the Pleistocene of the Antofagasta Region, northern Chile. Journal of Vertebrate Paleontology, 35(3), p.e918883. 

 

Valenzuela-Toro, A.M., and C.S. Gutstein. Mamíferos marinos (excepto Cetáceos) fósiles de Chile. Publicación Ocasional del Museo Nacional de Historia Natural, Chile, 63: 385-400.

 

Gutstein, C.S., F.E. Horwitz, A.M. Valenzuela-Toro, y C.P. Figueroa-Bravo. Cetáceos fósiles de Chile: Contexto evolutivo y paleobiogeografía. Publicación Ocasional del Museo Nacional de Historia Natural, Chile, 63: 339-383. 

 

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Pyenson, N.D., C.S. Gutstein, J.F. Parham, J.P. Le Roux, C.C. Chavarría, H. Little, A. Metallo, V. Rossi, A.M. Valenzuela-Toro, J. Velez-Juarbe, C.M. Santelli, D.Rubilar Rogers, M.A. Cozzuol., and M.E. Suárez. Repeated mass strandings of Miocene marine mammals from the Atacama Region of Chile point to sudden death at sea. Proceedings of the Royal Society B: Biological Sciences, 281(1781), p.20133316. 

 

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Valenzuela-Toro, A.M., C. S. Gutstein, R.M. Varas-Malca, M.E. Suárez, and N.D. Pyenson. Pinniped turnover in the South Pacific Ocean: New evidence from the Plio-Pleistocene of the Atacama Desert, Chile. Journal of Vertebrate Paleontology, 33(1), pp.216-223. 

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