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The tympanic region of Otaria byronia (Otariidae, Carnivora) - morphology, ontogeny, age classes and dimorphism
(Wiley Blackwell Publishing, Inc, 2017-10)
Here we describe and explore for the first time the ontogeny and sexual dimorphism of the auditory region of Otaria byronia. We studied the tympanic region of skulls of 237 specimens of different ages and sexes.Geometric ...
Evolutionary transformations of the malleus in pinnipeds, with emphasis on Southern Hemisphere taxa
(University of Amsterdam, 2018-07)
The systematic value of the middle-ear ossicles, in particular the malleus, has been long recognized for diverse groups. We present here systematic work on middle-ear ossicle characters of pinnipeds, focusing on until now ...
Elephant seal (Mirounga sp.) from the Pleistocene of the Antofagasta Region, northern Chile
(Taylor and Francis Inc., 2015)
© 2015 by the Society of Vertebrate Paleontology. The genus Mirounga is the largest living member of the Phocidae family (true seals) and includes two species: M. angustirostris and M. leonina. These species exhibit a ...
Algunas consideraciones sobre fócidos (Pinnipedia) asociados a las costas de Chile.
(Instituto de la Patagonia, 1978)
Se discute la presencia de la familia Phocidae (Pinnipedia) en las costas de Chile, con el aporte de nuevos antecedentes acerca del leopardo marino (Hydrurga leptonyx) y el elefante marino (Mirounga leonina) en el litoral ...
Paleoenvironment studies of the Pisco formation: Ocucaje localityEstudio paleoambiental de la formación Pisco: Localidad Ocucaje
(Universidad Nacional Mayor de San Marcos, Facultad de Ingeniería Geológica, Minera, Metalúrgica y Geográfica, 2006)
Pinniped turnover in the South Pacific Ocean: New evidence from the Plio-Pleistocene of the Atacama Desert, Chile
(2013)
Modern pinnipeds distributed along the coasts of continental South America consist almost entirely of otariids (sea lions and fur seals). In contrast, phocids (true seals) are present only on the southernmost extreme of ...