Results 21 to 30 of about 359,043 (172)

Pliocene fossils support a New Zealand origin for the smallest extant penguins

open access: yesJournal of Paleontology, 2023
. A late Pliocene (3.36–3.06 Ma) exposure of the Tangahoe Formation on the North Island of New Zealand preserves close fossil relatives of many extant seabird clades.
Daniel B. Thomas   +3 more
semanticscholar   +1 more source

Largest-known fossil penguin provides insight into the early evolution of sphenisciform body size and flipper anatomy

open access: yesJournal of Paleontology, 2023
. Recent fossil discoveries from New Zealand have revealed a remarkably diverse assemblage of Paleocene stem group penguins. Here, we add to this growing record by describing nine new penguin specimens from the late Paleocene (upper Teurian local stage ...
D. Ksepka   +6 more
semanticscholar   +1 more source

New crania from Seymour Island (Antarctica) shed light on anatomy of Eocene penguins [PDF]

open access: yes, 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
core   +2 more sources

Evolutionary and Biogeographical History of Penguins (Sphenisciformes): Review of the Dispersal Patterns and Adaptations in a Geologic and Paleoecological Context

open access: yesDiversity, 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 ...
Jonathan S. Pelegrín   +1 more
semanticscholar   +1 more source

W(h)ither Fossils? Studying Morphological Character Evolution in the Age of Molecular Sequences [PDF]

open access: yes, 2008
A major challenge in the post-genomics era will be to integrate molecular sequence data from extant organisms with morphological data from fossil and extant taxa into a single, coherent picture of phylogenetic relationships; only then will these ...
Bull J. J.   +21 more
core   +2 more sources

FUNCTIONAL IMPLICATIONS OF A SINGULAR PENGUIN SCAPULA (AVES, SPHENISCIFORMES) FROM THE EOCENE OF ANTARCTICA

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2012
Penguins have peculiar modifications in their skeletal anatomy as a consequence of their extremely specialized diving habit. Morphological specialization is particularly evident in the forelimb.
CAROLINA ACOSTA HOSPITALECHE   +1 more
doaj   +1 more source

Constructing a multiple‐part morphospace using a multiblock method

open access: yesMethods in Ecology and Evolution, 2023
Popular current methods for quantifying variation in biological shape are well‐suited to analyses of isolated parts (e.g. the same bone from the skeletons of many individuals).
Daniel B. Thomas   +5 more
doaj   +1 more source

Impacts of local human activities on the Antarctic environment [PDF]

open access: yes, 2008
We review the scientific literature, especially from the past decade, on the impacts of human activities on the Antarctic environment. A range of impacts has been identified at a variety of spatial and temporal scales.
Agnew   +91 more
core   +2 more sources

Imagining the World: The Significance of Religious Worldviews for Science Education [PDF]

open access: yes, 2009
This paper begins by examining whether ‘science’ and ‘religion’ can better be seen as distinct or related worldviews, focusing particularly on scientific and religious understandings of biodiversity.
Reiss, Michael
core   +7 more sources

THE CORACOIDS IN FUNCTIONAL AND MORPHOLOGICAL STUDIES OF PENGUINS (AVES, SPHENISCIDAE) OF THE EOCENE OF ANTARCTICA

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2010
The partial articulated skeleton MLP 77-V-10-1 comes from the upper levels of La Meseta Formation (Seymour Island, Antarctica) at the southwestern slope of the plateau.
CAROLINA ACOSTA HOSPITALECHE   +1 more
doaj   +1 more source

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