The Origin of the Modern Bird Skull, with a Focus on the Evolution and Embryonic Development of Musculoskeletal Structures in the Temporal and Otic Regions [PDF]
, 2022 Compared with their Mesozoic theropod ancestors, extant birds (Aves) exhibit extensively modified skulls and associated soft tissue, with massively enlarged brains and reduced temporal musculature, an inner ear with dorsally elongated semicircular canals,
Hanson, Michael
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Primer ave del eoceno del noroeste de Argentina [PDF]
A new fossil bird is described from the Upper Lumbrera Formation of Northwestern Argentina. Lumbrerornis rougieri gen. et sp. nov. is represented by three-dimensionally preserved elements of the hindlimb of a single individual.
Armella, Matías Alberto +8 more
core +1 more source
Multiphase progenetic development shaped the brain of flying archosaurs [PDF]
, 2019 The growing availability of virtual cranial endocasts of extinct and extant vertebrates has fueled the quest for endocranial characters that discriminate between phylogenetic groups and resolve their neural significances.
Beyrand, Vincent +7 more
core +1 more source
Aging the oldest turtles: the placodont affinities of Priscochelys hegnabrunnensis [PDF]
, 2018 Priscochelys hegnabrunnensis, a fragmentary piece of armour shell from the Muschelkalk of Germany (Upper Triassic) with few diagnostic morphological features, was recently proposed to represent the oldest known stem turtle.
Scheyer, Torsten
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The evolution of UDP-glycosyl/glucuronosyltransferase 1E (UGT1E) genes in bird lineages is linked to feeding habits but UGT2 genes is not [PDF]
, 2018 application/pdfUDP-glycosyltransferase (UGT) catalyzes the transfer of glycosyl groups (e.g., glucuronic acid) to exogenous or endogenous chemicals and plays an important role in conjugation reactions.
1000070398949 +13 more
core +2 more sources
Homoplastic Microinversions and the Avian Tree of Life [PDF]
, 2011 Background Microinversions are cytologically undetectable inversions of DNA sequences that accumulate slowly in genomes. Like many other rare genomic changes (RGCs), microinversions are thought to be virtually homoplasy-free evolutionary characters ...
Bonilla, Amber J +4 more
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Molecular sexing of carrion crow ("Corvus corone") [PDF]
, 2016 [Resumen] Conocer el sexo de los individuos de una población es fundamental para distintas actividades humanas. En el caso de las aves no ratites, se han desarrollado varios protocolos basados en el gen CHD1 que se encuentra en ambos cromosomas ...
Prieto López, Ana María
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Parsimony and Model-Based Analyses of Indels in Avian Nuclear Genes Reveal Congruent and Incongruent Phylogenetic Signals [PDF]
, 2013 Insertion/deletion (indel) mutations, which are represented by gaps in multiple sequence alignments, have been used to examine phylogenetic hypotheses for some time.
Bowie, Rauri CK +4 more
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Acta Zoológica Lilloana, 2013 Los caracteres tegumentarios raramente han sido incluidos en Ornitología Sistemática, a pesar de que la mayoría de los caracteres utilizados para diferenciar especies son de plumaje, ranfoteca (cubierta córnea del pico y narinas) y podoteca (escamas de ...
Sara Bertelli, Norberto Giannini
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Miocene fossils show that kiwi (Apteryx, Apterygidae) are probably not phyletic dwarves [PDF]
, 2013 Copyright 2013 © Verlag Naturhistorisches Museum. Published version of the paper reproduced here with permission from the publisher. Publisher website: http://www.nhm-wien.ac.at/Until now, kiwi (Apteryx, Apterygidae) have had no pre-Quaternary fossil ...
Hand, Suzanne J +5 more
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