New crania from Seymour Island (Antarctica) shed light on anatomy of Eocene penguins [PDF]
, 2013 Antarctic skulls attributable to fossil penguins are rare. Three new penguin crania from Antarctica are here described providing an insight into their feeding function.
Acosta Hospitaleche, Carolina Ileana Alicia
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Evolutionary and Biogeographical History of Penguins (Sphenisciformes): Review of the Dispersal Patterns and Adaptations in a Geologic and Paleoecological Context [PDF]
, 2022 Despite its current low diversity, the penguin clade (Sphenisciformes) is one of the groups of birds with the most complete fossil record. Likewise, from the evolutionary point of view, it is an interesting group given the adaptations developed for ...
Acosta Hospitaleche, Carolina Ileana Alicia +1 more
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Endocranial morphology of Pygoscelis calderensis (Aves, Spheniscidae) from the Neogene of Chile and remarks on brain morphology in modern Pygoscelis [PDF]
, 2014 Fil: Paulina-Carabajal, Ariana. Museo Carmen Funes. Neuquen; ArgentinaFil: Acosta Hospitaleche, Carolina. División Paleontología Vertebrados. Facultad de Ciencias Naturales y Museo.
Acosta Hospitaleche, Carolina +2 more
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Genomic insights into the secondary aquatic transition of penguins [PDF]
, 2022 Penguins lost the ability to fly more than 60 million years ago, subsequently evolving a hyper-specialized marine body plan. Within the framework of a genome-scale, fossil-inclusive phylogeny, we identify key geological events that shaped penguin ...
Bi X +39 more
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Una nueva especie de spheniscidae del Mioceno Tardío de la Formación Pisco, Perú [PDF]
, 2015 Se describen elementos craneales atribuibles a una nueva especie del género Spheniscus, procedentes del Mioceno tardío de la Formación Pisco, en la costa centro-sur del Perú.
Giraldo, Alfredo +2 more
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Description of the Earliest Fossil Penguin from South America and First Paleogene Vertebrate Locality of Tierra Del Fuego, Argentina [PDF]
, 2003 We report the discovery of the first vertebrate from the Paleogene of Tierra del Fuego (Isla Grande), Argentina, in southernmost South America. The specimen consists of parts of an associated pelvic girdle and limb that are identified as belonging to the
Clarke, Julia +2 more
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Aquatic birds have middle ears adapted to amphibious lifestyles [PDF]
, 2022 Birds exhibit wide variation in their use of aquatic environments, on a spectrum from entirely terrestrial, through amphibious, to highly aquatic. Although there are limited empirical data on hearing sensitivity of birds underwater, mounting evidence ...
Basille, Mathieu +11 more
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Comments about “Observations about the record of Paraptenodytes and Palaeospheniscus (Aves: Sphenisciformes) on the Bahia Inglesa Formation, Chile” [PDF]
, 2021 La presente tiene por objeto realizar una replica a los comentarios que Chavez (2007) efectuara en este mismo volumen sobre nuestro trabajo Acosta Hospitaleche & Canto (2005). Como ampliaremos, creemos que sus criticas son demasiado arriesgadas, dado que
Acosta Hospitaleche, Carolina Ileana Alicia +1 more
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Los pingüinos (Aves: sphenisciformes) fósiles de Patagonia : Sistemática, biogeografía y evolución [PDF]
, 2004 Los Spheniscidae constituyen un grupo de aves buceadoras y no voladoras que habitan los mares australes y cuya historia evolutiva estaría en estrecha relación con las corrientes de aguas frías.
Acosta Hospitaleche, Carolina Ileana Alicia
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Paleoherpetology at the Museo Paleontologico Egidio Feruglio (Trelew, Chubut) [PDF]
, 2022 La herpetofauna extinta de la provincia de Chubut es una de las más diversas, temporal y espacialmente extensa, y mejor conocidas en Argentina y en Sudamérica. Estos fósiles ayudan a entender la evolución de la herpetofauna durante más de 180 millones de
Carballido, José Luis +4 more
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