... little phylogenetic work has been done on the Hesperornithiformes. Spanning the late Early to Late Cretaceous, hesperornithiforms ... study presents the first phylogenetic analysis of the Hesperornithiformes that includes a majority of the described taxa, ... of this study support the monophyly of the Hesperornithiformes, which is recovered as the sister clade to the avian crown group, Neornithes. Within the Hesperornithiformes, the Brodavidae and Hesperornithidae are monophyletic while the ... species indistinguishable from Hesperornis regalis. Evolution within the Hesperornithiformes provides a fascinating example of progressive development of ...
Tópico(s): Evolution and Paleontology Studies
2015 - Taylor & Francis | Journal of Systematic Palaeontology
Alyssa Bell, Yun-Hsin Wu, Luis M. Chiappe,
The Cretaceous Hesperornithiformes are an extinct group of aquatic birds long recognized to have practiced foot-propelled diving. This specialization is ... to better understand the lifestyle of the extinct Hesperornithiformes, particularly in regard to adaptations for foot-propelled ... serve as the most appropriate analogue for the Hesperornithiformes. Use of these sorts of analyses, in conjunction ...
Tópico(s): Evolution and Paleontology Studies
2018 - Elsevier BV | Palaeogeography Palaeoclimatology Palaeoecology
Tomonori Tanaka, Yoshitsugu Kobayashi, Kenichi Kurihara, Anthony R. Fiorillo, Manabu Kano,
... new phylogenetic analysis revises the phylogenetic relationships of Hesperornithiformes. In contrast to previous studies, Enaliornis is assigned ... and Hesperornis are positioned within Hesperornithidae, the derived Hesperornithiformes. Many of the skeletal character changes are concentrated ...
Tópico(s): Evolution and Paleontology Studies
2017 - Taylor & Francis | Journal of Systematic Palaeontology
The Hesperornithiformes constitute the first known avian lineage to secondarily lose flight in exchange for the evolution of a ... This study describes broad evolutionary patterns within the Hesperornithiformes, highlighting the significance of these birds as not ...
Tópico(s): Evolution and Paleontology Studies
2020 - Multidisciplinary Digital Publishing Institute | Life
The Hesperornithiformes (sometimes referred to as Hesperornithes) are the first known birds to have adapted to a fully aquatic ...
Tópico(s): Fish biology, ecology, and behavior
2022 - Multidisciplinary Digital Publishing Institute | Diversity
Éric Buffetaut, Delphine Angst,
... in all Ornithothoraces, since it is absent in Hesperornithiformes (probably because of the low number of preacetabular ... at an evolutionay level similar to that of Hesperornithiformes, in all likelihood the result of insular evolution ( ...
Tópico(s): Paleontology and Stratigraphy of Fossils
2020 - Elsevier BV | Cretaceous Research
Maïtena Dumont, Paul Tafforeau, Thomas Bertin, Bhart‐Anjan S. Bhullar, Daniel J. Field, Anne S. Schulp, Brandon Strilisky, Béatrice Thivichon‐Prince, Laurent Viriot, Antoine Louchart,
... their closest relatives among stem birds, the Cretaceous Hesperornithiformes and Ichthyornithiformes, retained teeth. Despite their significant phylogenetic ... tooth morphology and ornamentation differ greatly between the Hesperornithiformes and Ichthyornithiformes. We also highlight the first Old ...
Tópico(s): Ichthyology and Marine Biology
2016 - Springer Science+Business Media | BMC Evolutionary Biology
Michael J. Everhart, Alyssa Bell,
... Cretaceous ofNorth America are members of the extinct Hesperornithiformes,a group of highly specialized, foot-propelled diving ... al. 1997; Cumbaa et al., 2006).While the Hesperornithiformes have a global distributionfrom the Early Cenomanian (Galton ...
Tópico(s): Evolution and Paleontology Studies
2009 - Taylor & Francis | Journal of Vertebrate Paleontology
The Hesperornithiformes are a primitive side branch of the early avian radiation that shares many characters with Archaeopteryx and ... been fully established before the separation of the Hesperornithiformes from the main avian line.The fusion of ...
Tópico(s): Ecology and biodiversity studies
1977 - Oxford University Press | Ornithology
... bird and should be included in the order Hesperornithiformes. It should not be regarded as the earliest ...
Tópico(s): Ichthyology and Marine Biology
1976 - Smithsonian Institution Scholarly Press | Smithsonian contributions to paleobiology
Tópico(s): Evolution and Paleontology Studies
2016 - Elsevier BV | Cretaceous Research
Alyssa Bell, Kelly J. Irwin, Leo Carson Davis,
The Late Cretaceous Hesperornithiformes constitute a geographically expansive order of early birds, spanning the Northern Hemisphere from Asia to North America. Within North ...
Tópico(s): Ichthyology and Marine Biology
2015 - Kansas Academy of Science | Transactions of the Kansas Academy of Science
... yielded the remains of numerous members of the Hesperornithiformes, toothed diving birds from the late Early to ...
Tópico(s): Evolution and Paleontology Studies
2015 - Public Library of Science | PLoS ONE
Larry D. Martin, Е. Н. Курочкин, Tim T. Tokaryk,
... freshwater occurrences and latest records of the order Hesperornithiformes, an extinct group of diving birds whose marine ...
Tópico(s): Evolution and Paleontology Studies
2012 - Elsevier BV | Palaeoworld
Partial reconstruction of hindlimb myology and syndesmology of Hesperornis regalis, based on fossil and extant comparative anatomical material, is provided. Possessing a combination of morphological features characteristic of modern loons and grebes, H. regalis was somewhat closer to loons in overall hindlimb anatomy. The acetabular foramen indicates that the femoral head of Hesperornis had a more restricted excursion in the acetabulum compared with modern Aves. The development of femoral retractors ...
Tópico(s): Avian ecology and behavior
2011 - Taylor & Francis | Journal of Systematic Palaeontology
Alyssa Bell, Michael J. Everhart,
Despite the abundance of hesperornithiform fossils from the Western Interior of North America, particularly the Niobrara Chalk of Kansas, few specimens are known of Parahesperornis, a toothed, foot-propelled diving bird somewhat smaller than Hesperornis. Numerous specimens of three species of Hesperornis as well as those of Baptornis advenus are known from the Smoky Hill Chalk of western Kansas, but only two specimens of Parahesperornis have been collected to date. This paper presents a new specimen ...
Tópico(s): Evolution and Paleontology Studies
2009 - Kansas Academy of Science | Transactions of the Kansas Academy of Science
Sanja Hinic-Frlog, Ryosuke Motani,
... analyses confirm qualitative assessments for both foot-propelled (Hesperornithiformes) and wing-propelled (Copepteryx) underwater locomotion in fossil ...
Tópico(s): Ichthyology and Marine Biology
2009 - Oxford University Press | Journal of Evolutionary Biology
Johan Lindgren, Philip J. Currie, Jan Rees, Mikael Siverson, Sofie Lindström, C. Alwmark,
... caractéristique se trouve occasionnellement dans les oiseaux plongeants hespérornithiformes du Crétacé supérieur, mais aussi dans les dents ...
Tópico(s): Evolution and Paleontology Studies
2008 - Elsevier BV | Geobios
A. V. Panteleyev, Evgeny V. Popov, Alexander O. Averianov,
New materials of Hesperornis rossicus Nessov et Yarkov, 1993 (one complete and one fragmentary tarsometatarsus) from the lower Campanian Karyakino locality in Saratov Province, Russia, show for the first time distal tarsometatarsal morphology for this species and allow reconsideration of its diagnosis. H. rossicus is the most derived species of the genus, having the greatest size for the genus and strongly reduced inner fingers, with undivided trochlea on tarsometatarsus for digits II and III and ...
Tópico(s): Ichthyology and Marine Biology
2004 - | Paleontological Research
Luis M. Chiappe, Lawrence M. Witmer,
... Hesperornithiform Bird from England, with Comments on other Hesperornithiformes PETER M. GALTON AND LARRY D. MARTIN 15. ...
Tópico(s): Avian ecology and behavior
2003 - Association of College and Research Libraries | Choice Reviews Online
Tópico(s): Paleontology and Stratigraphy of Fossils
1999 - Ottawa Field-Naturalists' Club | The Canadian Field-Naturalist
Kevin Padian, Luis M. Chiappe,
... Mesozoic bird groups have no Tertiary records: Enantiornithes, Hesperornithiformes, Ichthyornithiformes and several other lineages disappeared by the ...
Tópico(s): Evolution and Paleontology Studies
1998 - Wiley | Biological reviews/Biological reviews of the Cambridge Philosophical Society
KEVIN PADIAN, Luis M. Chiappe,
... Mesozoic bird groups have no Tertiary records : Enantiornithes, Hesperornithiformes, Ichthyornithiformes and several other lineages disappeared by the ...
Tópico(s): Avian ecology and behavior
1998 - Wiley | Biological reviews/Biological reviews of the Cambridge Philosophical Society
Tim T. Tokaryk, Stephen L. Cumbaa, John E. Storer,
... new species of the baptornithid Pasquiaornis, n. gen. (Hesperornithiformes), and the other two referred to the ichthyornithid ...
Tópico(s): Evolution and Paleontology Studies
1997 - Taylor & Francis | Journal of Vertebrate Paleontology
Tim T. Tokaryk, C. R. Harington,
A vertebra from the Judith River Formation (Campanian) of Saskatchewan, found with other Upper Cretaceous vertebrate remains, is referred to the loon-like hesperornithiform Baptornis , and is the first recorded occurrence of this genus from continental deposits. It is also the first bird described from the Judith River Formation of western Canada.
Tópico(s): Ichthyology and Marine Biology
1992 - Cambridge University Press | Journal of Paleontology
... a trend towards reduction of craniofacial pneumaticity within Hesperornithiformes. Within Neornithes, four derived pneumatic characters suggest that ...
Tópico(s): Avian ecology and behavior
1990 - Oxford University Press | Zoological Journal of the Linnean Society
Paul Bühler, Larry D. Martin, Lawrence M. Witmer,
... considered primitive for at least the group including Hesperornithiformes and later birds. Discovery of prokinesis in Hesperornis ...
Tópico(s): Evolution and Paleontology Studies
1988 - Oxford University Press | Ornithology
Tópico(s): Evolution and Paleontology Studies
1987 - Oxford University Press | Ornithology
... latter taxon is subdivided into two lineages, the Hesperornithiformes and the Carinatae. The carinates, in turn, were ...
Tópico(s): Ichthyology and Marine Biology
1986 - Cambridge University Press | Paleobiology
... a re-evaluation of the relationships of the Hesperornithiformes to other Mesozoic birds. Archaeopteryx is a member ...
Tópico(s): Avian ecology and behavior
1984 - Kansas Academy of Science | Transactions of the Kansas Academy of Science