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Frontiers | Extinction in Phylogenetics and Biogeography: From ...
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Extant species fail to estimate ancestral geographical …
May 18, 2022 · Although the inclusion of extinct taxa can help resolve ancestral states at deep nodes in phylogeny, fossil data should not be naïvely viewed as a panacea. Our analyses yield some confusing results that can be explained, …
Evolutionary Relationships among Extinct and Extant Sloths: The ...
At present, the amount of molecular data available for extinct sloth taxa is limited, and analytical results based on these data tend to conflict with phylogenetic inferences made on the basis of …
- Studies of extinct taxa in phylogeny
Mass estimation of extinct taxa and phylogenetic …
Dec 18, 2019 · Incorporating extinct taxa in phylogenetic comparative methods is rapidly becoming invaluable in studies of character evolution. An increasing …
- Author: Nicholas M. A. Crouch, Roberta Mason-Gamer
- Publish Year: 2019
Distributions of extinction times from fossil ages and tree …
Dec 9, 2021 · Given a phylogenetic tree that includes only extinct, or a mix of extinct and extant taxa, where at least some fossil data are available, we present a method to compute the …
- DOI: 10.7717/peerj.12577
- Published: 2021
- Publication: PeerJ. 2021; 9: e12577.
Reliable biogeography requires fossils: insights from a …
Aug 7, 2024 · Using a novel species-level phylogeny of all known extant and extinct species of the mammalian order Carnivora and related extinct groups, we show that far more precise and accurate ancestral areas can be estimated by …
Divergence Time Estimation Using Fossils as Terminal Taxa and …
May 3, 2011 · In this paper, I examine techniques for estimating divergence times for phylogenies containing both extant and extinct taxa, inferred using molecular and morphological data.
The effects of fossil taxa, hypothetical predicted ancestors, and a ...
Sep 17, 2021 · Recent work suggests that the inclusion of hypothetical ancestors of extant placental clades, estimated by ancestral state reconstructions of morphological characters, …
Phylogenetic Approaches to the Study of Extinction
Phylogeny must be considered in comparative tests of hypotheses about extinction, but care must be taken to avoid overcorrecting for phylogenetic nonindependence among taxa. Species …
Placing cryptic, recently extinct, or hypothesized taxa into an ...
Apr 1, 2015 · In this brief communication we present a new method for placing cryptic, recently extinct, or hypothesized taxa into an ultrametric phylogeny of extant taxa using continuous …
Fossils, phylogenies, and the challenge of preserving evolutionary ...
Apr 4, 2015 · Extinction of any species or higher taxon invariably results in some loss of existing evolutionary history (EH), but a major concern about extinctions driven by anthropogenic …
Why extinction estimates from extant phylogenies are so often zero
Jul 26, 2021 · Time-calibrated phylogenies of extant species ("extant timetrees") are widely used to estimate historical speciation and extinction rates by fitting stochastic birth-death models. 1 …
Extinction in Phylogenetics and Biogeography: From Timetrees to ...
Mar 22, 2016 · Specifically, we focus on the problem of discriminating between alternative high extinction scenarios using time trees with only extant taxa, and on the confounding effect …
The effects of fossil taxa, hypothetical predicted ancestors ... - PLOS
Sep 17, 2021 · Recent work suggests that the inclusion of hypothetical ancestors of extant placental clades, estimated by ancestral state reconstructions of morphological characters, …
Phylogenetic Trees and Geologic Time | Organismal Biology
“Tree thinking,” or phylogenetic thinking is essential to decipher this relatedness between the diversity of organisms, both living and extinct. Tree thinking helps us unravel the branching …
The impact of extinct taxa on understanding the early evolution of ...
Jul 20, 2006 · A cladistic analysis was performed including five Cretaceous and 31 extant taxa within Saxifragales using a combination of molecular sequence and morphological data in …
Divergence time estimation using fossils as terminal taxa and the ...
Here, I infer both the phylogeny and the time of origin for Lissamphibia and a number of stem tetrapods using Bayesian methods based on a data set containing morphological data for …
Extant Taxon - an overview | ScienceDirect Topics
Extant members of the Taxaceae are evergreen shrubs or small trees with helically arranged leaves. Pollen-bearing cones have microsporophylls with three to nine pollen sacs. Members of this group differ from other conifers in bearing a single ovule (occasionally two) terminally on …
Lazarus taxon - Wikipedia
Lazarus taxa and other ghost lineages reflect the sporadic nature of the fossil record. An Elvis taxon is a look-alike that has supplanted an extinct taxon through convergent evolution.. A …
Mass Extinctions Through Geologic Time - U.S. National Park …
Feb 28, 2025 · It had wide ranging impacts on life: 75% of species, 35% of genera, and 19% of taxonomic families died out. This extinction seems to have mostly impacted marine life, …
A Conservation Assessment and Phylogenomic Evaluation of …
Mar 7, 2025 · 2.1 Taxonomy and Phylogenetic Relationships of Heliconia. Species identifications, nomenclature, and phylogenetic relationships of all taxa within Heliconia follow Kress et al. . …
uncertain how reliable inferences based solely on extant taxa can be achieved. Using a novel species-level phylogeny of all known extant and extinct species of the mammalian order Carnivora and related extinct groups, we show that far more precise and accurate ancestral areas can be
Refugium amidst ruins: Unearthing the lost flora that escaped the …
6 days ago · This catastrophic event resulted in the extinction of approximately 80% of known species , a fact well-supported by marine fossil records . Consequently, marine ecosystems …
Distributions of extinction times from fossil ages and tree ... - PeerJ
Jun 14, 2021 · Given a phylogenetic tree that includes only extinct, or a mix of extinct and extant taxa, where at least some fossil data are available, we present a method to compute the …
Cranial anatomy of the hypercarnivore Bastetodon syrtos gen.
Feb 16, 2025 · In our analysis, we included two placeholder taxa, labeled ‘A’ and ‘B,’ to stabilize the rooting of the phylogenetic tree and establish a consistent temporal framework alongside …
Why extinction estimates from extant phylogenies are so often zero
Jul 26, 2021 · Time-calibrated phylogenies of extant species (“extant timetrees”) are widely used to estimate historical speciation and extinction rates by fitting stochastic birth-death models. 1 …
A genome-based phylogeny for Mollusca is concordant with
Feb 27, 2025 · Early molecular phylogenetic studies of Mollusca sometimes completely conflicted with previous morphology-based hypotheses ().Phylogenomic studies using transcriptome …
Related searches for extinct taxa in phylogeny