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Phylogeny, ecology and deep time: 2D outline analysis of anuran skulls from the Early Cretaceous to the Recent

Published on May 1, 2019in Palaeontology2.632
路 DOI :10.1111/pala.12405
Carla Bardua2
Estimated H-index: 2
(UCL: University College London),
Susan E. Evans38
Estimated H-index: 38
(UCL: University College London),
Anjali Goswami32
Estimated H-index: 32
(UCL: University College London)
Abstract
  • References (67)
  • Citations (1)
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References67
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#1Ryan N. Felice (UCL: University College London)H-Index: 3
#2Anjali Goswami (UCL: University College London)H-Index: 32
Abstract Mosaic evolution, which results from multiple influences shaping morphological traits and can lead to the presence of a mixture of ancestral and derived characteristics, has been frequently invoked in describing evolutionary patterns in birds. Mosaicism implies the hierarchical organization of organismal traits into semiautonomous subsets, or modules, which reflect differential genetic and developmental origins. Here, we analyze mosaic evolution in the avian skull using high-dimensional...
43 CitationsSource
#1Emma Sherratt (ANU: Australian National University)H-Index: 14
#2Marta Vidal-Garc铆a (ANU: Australian National University)H-Index: 6
Last. J. Scott Keogh (ANU: Australian National University)H-Index: 35
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Developmental changes through an animal鈥檚 life are generally understood to contribute to the resulting adult morphology. Possible exceptions are species with complex life cycles, where individuals pass through distinct ecological and morphological life stages during their ontogeny, ending with metamorphosis to the adult form. Antagonistic selection is expected to drive low genetic correlations between life stages, theoretically permitting stages to evolve independently. Here we describe, using A...
15 CitationsSource
#1Marta Vidal-Garc铆a (ANU: Australian National University)H-Index: 6
#2J. Scott Keogh (ANU: Australian National University)H-Index: 35
Background Quantifying morphological diversity across taxa can provide valuable insight into evolutionary processes, yet its complexities can make it difficult to identify appropriate units for evaluation. One of the challenges in this field is identifying the processes that drive morphological evolution, especially when accounting for shape diversification across multiple structures. Differential levels of co-varying phenotypic diversification can conceal selective pressures on traits due to mo...
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#2Jen A. BrightH-Index: 13
Last. Gavin H. ThomasH-Index: 30
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A study of more than 2,000 bird species shows that diversity in bill shape expands towards extreme morphologies early in avian evolution in a series of major jumps, before switching to a second phase in which bills repeatedly evolve similar shapes by subdividing increasingly tight regions of already occupied niche space.
75 CitationsSource
#1Monique Nouailhetas Simon (USP: University of S茫o Paulo)H-Index: 4
#2Fabio A. Machado (USP: University of S茫o Paulo)H-Index: 8
Last. Gabriel Marroig (USP: University of S茫o Paulo)H-Index: 20
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Interactions among traits that build a complex structure may be represented as genetic covariation and correlation. Genetic correlations may act as constraints, deflecting the evolutionary response from the direction of natural selection. We investigated the relative importance of drift, selection, and constraints in driving skull divergence in a group of related toad species. The distributional range of these species encompasses very distinct habitats with important climatic differences and the...
12 CitationsSource
#1Eduardo Ascarrunz (University of Paris)H-Index: 1
#2Jean-Claude Rage (University of Paris)H-Index: 27
Last. Michel Laurin (University of Paris)H-Index: 34
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Triadobatrachus massinoti is a batrachian known from a single fossil from the Early Triassic of Madagascar that presents a combination of apomorphic salientian and plesiomorphic batrachian characters. Herein we offer a revised description of the specimen based on X-ray micro-tomography data. We report previously unknown caudal vertebrae, possible mentomeckelians, and hidden parts of other structures. We also confirm the presence of a ventrolateral ledge on the opisthotic, and we rectify some pre...
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#1Gayani Senevirathne (University of Peradeniya)H-Index: 5
#2Ashish Thomas (DU: University of Delhi)H-Index: 4
Last. Madhava Meegaskumbura (University of Peradeniya)H-Index: 15
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The Indian Purple frog, Nasikabatrachus sahyadrensis, occupies a basal phylogenetic position among neobatrachian anurans and has a very unusual life history. Tadpoles have a large ventral oral sucker, which they use to cling to rocks in torrents, whereas metamorphs possess adaptations for life underground. The developmental changes that underlie these shifts in habits and habitats, and especially the internal remodeling of the cranial and postcranial skeleton, are unknown. Using a nearly complet...
4 CitationsSource
#1Roger B. J. Benson (University of Oxford)H-Index: 35
#2Richard J. Butler (University of Birmingham)H-Index: 38
Last. Graeme T. Lloyd (Macquarie University)H-Index: 22
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How did evolution generate the extraordinary diversity of vertebrates on land? Zero species are known prior to ~380 million years ago, and more than 30,000 are present today. An expansionist model suggests this was achieved by large and unbounded increases, leading to substantially greater diversity in the present than at any time in the geological past. This model contrasts starkly with empirical support for constrained diversification in marine animals, suggesting different macroevolutionary p...
43 CitationsSource
#1Josef C. Uyeda (UIdaho: University of Idaho)H-Index: 12
#2Daniel S. Caetano (UIdaho: University of Idaho)H-Index: 6
Last. Matthew W. Pennell (UIdaho: University of Idaho)H-Index: 21
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Most existing methods for modeling trait evolution are univariate, although researchers are often interested in investigating evolutionary patterns and processes across multiple traits. Principal components analysis (PCA) is commonly used to reduce the dimensionality of multivariate data so that univariate trait models can be fit to individual principal components. The problem with using standard PCA on phylogenetically structured data has been previously pointed out yet it continues to be widel...
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#1Andrea Cardini (UWA: University of Western Australia)H-Index: 28
#2David Polly (IU: Indiana University)H-Index: 1
Last. Nick Milne (UWA: University of Western Australia)H-Index: 20
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Among closely related species, larger mammals tend to have a longer face and proportionally smaller braincase. This putative 鈥榬ule鈥 in mammalian macroevolution has been proposed for the first time in 2013 based on 3D geometric morphometrics of antelopes, fruit bats, tree squirrels and mongooses. To firmly demonstrate that this trend holds as a 鈥榬ule鈥 requires expanding the analysis in more lineages and other mammalian orders: if supported in most groups, it may indeed become a new evolutionary 鈥...
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#1Anthony HerrelH-Index: 52
#2James C. O鈥橰eilly (OU: Ohio University)H-Index: 1
Last. Stanislav N. Gorb (CAU: University of Kiel)H-Index: 64
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Amphibians are different from most other tetrapods because they have a biphasic life cycle, with larval forms showing a dramatically different cranial anatomy and feeding strategy compared to adults. Amphibians with their exceptional diversity in habitats, lifestyles and reproductive modes are also excellent models for studying the evolutionary divergence in feeding systems. In the present chapter, we review the literature on amphibian feeding anatomy and function published since 2000. We also p...
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