Results 11 to 20 of about 51 (34)
, 2022 A tibiotarsus (MACN-A 12195) collected by Ameghino in the Sarmiento Formation (Eocene–lower Miocene) outcropping in the ‘Río Chico locality’ (Chubut Province, Argentina) assigned to Diogenornis (Rheiformes, Palaeognathae), and a second limb bone (MPEF-PV
Acosta Hospitaleche, Carolina Ileana Alicia +1 more
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, 1972 37 p. : ill. ; 24 cm.Includes bibliographical references (p. 35-37)."The known fossil penguins of Argentina are all from the Patagonia Formation, mostly from its basal part, in Chubut and Santa Cruz, probably early Miocene but possibly late Oligocene in ...
Simpson, George Gaylord, 1902- +1 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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Variaciones morfológicas del tarsometatarso de los pingüinos (Aves, Sphenisciformes) de la secuencia estratigráfica de la Formación Pisco (Mioceno-Plioceno), Perú [PDF]
, 2011 The morphological variation presents in the penguin tarsometatarsi from Pisco Formation (Miocene-Pliocene) from Peru assigned to Spheniscus Brisson, 1760 is analyzed.
Acosta Hospitaleche, Carolina +3 more
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, 2010 Fig. 21. Phylogeny of Sphenisciformes calibrated to the stratigraphic record. Ghost lineages (Norell, 1992) are minimized. Dotted lines extending the range of clade 7 are based on identification of fragmentary fossils of late Eocene age to this clade. We
Ksepka, Daniel T., Clarke, Julia A.
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Restos de pingüinos del Cenozoico medio de la cordillera patagónica [PDF]
, 2019 Middle Cenozoic marine fossil-bearing beds crop out in the Cerro Plataforma (western Chubut Province, Argentina) at about 1,400 m a.s.l. They are located 500 km far from the modern Atlantic coast and only 50 km from the Pacific Ocean.
Tambussi, Claudia Patricia +4 more
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, 2010 Fig. 26. Humeri of selected penguin taxa, illustrating phylogenetic characters: the stem penguins (A) Palaeeudyptes gunnari (UCMP 321826), (B) Palaeospheniscus patagonicus (AMNH 3361), and (C) Perudyptes devriesi (MUSM 889), and (D) extant Pygoscelis ...
Ksepka, Daniel T., Clarke, Julia A.
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Fossil record of penguins. [PDF]
, 2010 77 p. : ill., map ; 26 cm. "Issued June 3, 2010." Includes bibliographical references (p. 47-53).We present the first detailed description of Perudyptes devriesi, a basal penguin from the middle Eocene (~42 Ma) Paracas Formation of Peru, and ...
Ksepka, Daniel T., Clarke, Julia A.
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, 2018 Se analizan las variaciones morfológicas presentes en el tarsometatarso de los pingüinos de la Formación Pisco (Mioceno-Plioceno) del Perú asignados al género Spheniscus Brisson, 1760.
Acosta Hospitaleche, Carolina +2 more
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Multiple cenozoic invasions of Africa by penguins (Aves, Sphenisciformes). [PDF]
Proc Biol Sci, 2012 Ksepka DT, Thomas DB.
europepmc +1 more source