Once upon a time: exploring the biogeographic history of the largest endemic lizard family in the Neotropics (Squamata: Gymnophthalmidae) DOI
Juan D. Vásquez‐Restrepo, Marco Antônio Ribeiro‐Júnior, Santiago J. Sánchez‐Pacheco

et al.

Biological Journal of the Linnean Society, Journal Year: 2024, Volume and Issue: 143(1)

Published: Sept. 1, 2024

Abstract Gymnophthalmids are a diverse lineage of Neotropical lizards that present challenges in the understanding their phylogenetic relationships and biogeographic history. Using densely sampled phylogeny distribution data, we investigated biogeography at family level. Dividing South Central America into 12 regions, tested six models considering dispersal-extinction, vicariance, founder events. Our analysis revealed high taxonomic endemism Andes, Amazon, Guiana Shield. The best-fit model identified Shield as likely ancestral area family, with dispersal events dominating over vicariance. Key areas for species interchange were Northern core regions diversification included Shield, elevated richness biotic during Eocene Oligocene. stood out stronghold gymnophthalmid diversity, driven by rates ancient lineages. findings challenge previous hypotheses about these lizards, suggesting colonization pattern from lowlands to elevations rather than South-to-North Speciation Hypothesis Andean

Language: Английский

Marine introgressions and Andean uplift have driven diversification in neotropical Monkey tree frogs (Anura, Phyllomedusinae) DOI Creative Commons
Diego Almeida-Silva, Leonardo Matheus Servino, Matheus Pontes‐Nogueira

et al.

PeerJ, Journal Year: 2024, Volume and Issue: 12, P. e17232 - e17232

Published: April 16, 2024

The species richness in the Neotropics has been linked to environmental heterogeneity and a complex geological history. We evaluated which biogeographic processes were associated with diversification of Monkey tree frogs, an endemic clade from Neotropics. tested two competing hypotheses: Phyllomedusinae occurred either "south-north" or "north-south" direction also hypothesized that marine introgressions Andean uplift had crucial role promoting their diversification. used 13 molecular markers Bayesian analysis infer phylogenetic relationships among 57 estimate divergence times. estimated ancestral ranges based on 12 units considering landscape modifications Neotropical region. found hypothetical ancestor range was probably widespread throughout South America, Western Amazon Southern Atlantic Forest, at 29.5 Mya. Phyllomedusines' must have initially diverged through vicariance, generally followed by jump-dispersals sympatric speciation. Dispersal areas mostly Amazonia towards Northern Andes American diagonal dry landscapes, divergent pattern both hypotheses. Our results revealed process occurring simultaneously orogeny last 30 million years.

Language: Английский

Citations

3
Why Are Some Snakes More Terrifying and What Is Behind the Fear? DOI Creative Commons
Daniel Frynta, Markéta Janovcová, Hassan Sh Abdirahman Elmi

et al.

Animals, Journal Year: 2025, Volume and Issue: 15(5), P. 731 - 731

Published: March 4, 2025

Snakes are stimuli inducing an ancestral fear response in humans and other primates. Certain snakes evoke more subjective than others. True vipers high-fear-eliciting for both African European respondents. This can be explained by the evolutionary experience of human ancestors Africa. The question arises as to how living Americas Australia, with which have no experience, will evaluated. While these belong broader taxonomic groups that distant relatives Old World, they evolved independently tens millions years. We prepared a set 32 pictures depicting eight American pit vipers, Australian elapids, constrictors, colubrids asked respondents rank according evoke. Here, we show high cross-cultural agreement between evaluations characterized robust body shape, such death adders, pythons, boas, were most fear-evoking. width was strongest predictor evoked fear. contribution coloration pattern stimulus not proved. supports view patterns dependent on direct but its underlying mechanisms shared cross-culturally.

Language: Английский

Citations

0
Amphibians and Reptiles Exhibit Different Ecological and Evolutionary Spatial Patterns in the Amazon Basin DOI Creative Commons
Jhon Jairo López‐Rojas, Diego Henrique Santiago, Mirco Solé

et al.

Ecology and Evolution, Journal Year: 2025, Volume and Issue: 15(3)

Published: March 1, 2025

Understanding spatial variability in ecological and evolutionary patterns is key to Amazonian biodiversity conservation. This study examined taxonomic, phylogenetic, functional diversity across amphibians reptiles, assessing the influence of elevation, interrelationships among metrics, distribution five Amazon Basin ecoregions, exploring "cradle" (speciation) "museum" (lineage preservation) hypotheses. We analyzed 1011 amphibian species from three lineages 828 reptile four lineages. Integrating maps, phylogenies, trait data, we calculated phylogenetic (PD), (FD), taxonomic (TD) diversity, including mean (PDmntd) (FDmntd) distance nearest taxon. regressions between metrics assessed correlations compared ecoregions for each lineage. Diversity reveal distinct geographical related elevation. Anurans exhibit higher PD, FD, TD western Amazon, while squamates show hotspots at low altitudes. Testudines are linked major rivers, crocodilians display high PD near equator. elevated PDmntd FDmntd Andes, whereas testudines found cratonic regions. Significant notable differences were found, especially Andes regions Basin. highlights diverse eco-evolutionary Basin, exhibiting distributed ecoregions. The findings align with cradle-museum hypothesis, suggesting that some serve as centers ongoing diversification, others preserve ancient lineages, or both. hypothesis should be carefully analyzed, taxon presents a pattern. research underscores necessity targeted conservation strategies tailored dynamics

Language: Английский

Citations

0
Effect of Soil Properties on Species Richness of Fossorial Squamate Reptiles DOI Creative Commons

Dunxue Chen,

Uri Roll, Shai Meiri

et al.

Journal of Biogeography, Journal Year: 2025, Volume and Issue: unknown

Published: March 26, 2025

ABSTRACT Aim Species richness varies greatly over geographic gradients. Climate and other above‐ground attributes are the most common variables used to explain animal patterns. However, soil properties may play an important role in shaping of species living underground. Studies have yet comprehensively analyse fossorial squamates' patterns how influence them. We investigated different predictors, including climate, influenced fully‐fossorial, semi‐fossorial, non‐fossorial squamates. Location Global. Taxon Reptilia: Squamata. Methods categorised squamates into non‐fossorial, assessed for each category independently. selected potential climatic factors that could their richness. Then we ordinary least squares regression models with spatially lagged (OLSL) geographically weighted (GWRL) investigate climate on group. Results Fully‐fossorial squamate peaks Africa South America. Semi‐fossorial is highest America Australia. Non‐fossorial exhibit maximum Southeast Asia. was more strongly associated than all groups. Nevertheless, as levels fossoriality increase, become correlates Main Conclusions This study highlights importance incorporating alongside biogeography.

Language: Английский

Citations

0
From Asia to the Americas: A New Cross‐Continental Perspective on Viper Biogeography and Habitat Dynamics DOI
Matheus Pontes‐Nogueira, Laura R. V. Alencar, Ricardo J. Sawaya

et al.

Journal of Biogeography, Journal Year: 2025, Volume and Issue: unknown

Published: May 3, 2025

ABSTRACT Aim We investigate the biogeographical history of family Viperidae, focusing on how habitat use influenced geographical range evolution group. tested key hypotheses origins and processes major clades within including colonisation New World. Location Worldwide. Taxon Vipers (Serpentes: Viperidae). Methods used four recently published phylogenies Viperidae applied maximum likelihood (ML) models with trait‐specific parameters (habitats) in BioGeoBEARS to estimate ancestral ranges use. Results Our results support an Asian origin for family, a likely trans‐Pacific dispersal Central America instead Beringian land bridge route. The subfamily Viperinae must have originated Africa, while genus Lachesis emerged South + America. Habitat reconstructions showed varied impacts forested open habitats diversification when comparing first three last one. Main Conclusions highlight significant role viper evolution. Differently from what was previously suggested, our findings indicate route World vipers.

Language: Английский

Citations

0
Once upon a time: exploring the biogeographic history of the largest endemic lizard family in the Neotropics (Squamata: Gymnophthalmidae) DOI
Juan D. Vásquez‐Restrepo, Marco Antônio Ribeiro‐Júnior, Santiago J. Sánchez‐Pacheco

et al.

Biological Journal of the Linnean Society, Journal Year: 2024, Volume and Issue: 143(1)

Published: Sept. 1, 2024

Abstract Gymnophthalmids are a diverse lineage of Neotropical lizards that present challenges in the understanding their phylogenetic relationships and biogeographic history. Using densely sampled phylogeny distribution data, we investigated biogeography at family level. Dividing South Central America into 12 regions, tested six models considering dispersal-extinction, vicariance, founder events. Our analysis revealed high taxonomic endemism Andes, Amazon, Guiana Shield. The best-fit model identified Shield as likely ancestral area family, with dispersal events dominating over vicariance. Key areas for species interchange were Northern core regions diversification included Shield, elevated richness biotic during Eocene Oligocene. stood out stronghold gymnophthalmid diversity, driven by rates ancient lineages. findings challenge previous hypotheses about these lizards, suggesting colonization pattern from lowlands to elevations rather than South-to-North Speciation Hypothesis Andean

Language: Английский

Citations

1