A New Species of Abronia (Squamata: Anguidae) from the Sierra de Zongolica of Veracruz, Mexico

García‐Vázquez, Uri Omar; Clause, Adam G.; Gutiérrez‐Rodríguez, Jorge; Cazares-Hernández, Erasmo; Torre-Loranca, Miguel Ángel de la

doi:10.1643/h2021051

Cited by 6 publications

(13 citation statements)

References 53 publications

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“…Occurrence records of A. taeniata and A. graminea were obtained from voucher specimens deposited in natural history museums (Clause et al, 2018; García‐Vázquez et al, 2022) and collected during the course of this study. To reduce the effects of sampling biases across geographical space, we ran our dataset using the ‘spThin’ package 0.2.0 in r (Aiello‐Lammens et al, 2015) with 100 iterations and 10 km between localities (Boria et al, 2014; Merow et al, 2013).…”

Section: Methodsmentioning

confidence: 99%

Phylogenomics of arboreal alligator lizards shed light on the geographical diversification of cloud forest‐adapted biotas

Gutiérrez‐Rodríguez

Ortego

et al. 2022

Journal of Biogeography

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Aim The proximate ecological and evolutionary processes underlying the high biodiversity of neotropical montane cloud forests are still very poorly understood. Climatic oscillations may have contributed to vicariance and cladogenesis, but also promoted secondary contact and erosion of genetic divergence. Here we tested whether geographical diversification – or its lack thereof – in a complex of arboreal alligator lizards is explained by range shifts during Quaternary climatic oscillations. Location Pine–oak and cloud forests, central Mexico. Taxon Abronia taeniata–graminea species complex (Squamata: Anguidae: Gerrhonotinae). Methods We generated genomic data (ddRADseq) to infer patterns of geographical diversification in the complex, reconstruct its demographic history, estimate the timing of lineage split, and test for the presence of contemporary and/or historical hybridization. We evaluated whether the tempo and mode of diversification (i.e. strict isolation vs. secondary contact with introgression) are explained by the contemporary distribution of suitable habitats and/or range shifts experienced by the complex since the Last Glacial Maximum (LGM), as inferred from environmental niche modelling (ENM). Results Genomic data supported a marked genetic structure within the complex, and phylogenomic and dating analyses revealed cryptic lineage diversification starting at the onset of the Pleistocene followed by secondary contact with limited introgression. ENM pointed to considerable range expansions of the complex during the LGM and a marked fragmentation and scarce connectivity among contemporary populations, which was supported by genomic‐based demographic reconstructions. Main Conclusions The geographical diversification of the complex has been moulded by vicariant events promoted by Pleistocene geologic and climatic changes impacting the distribution of their pine–oak and cloud forest habitats. Our data supported a model of divergence with introgression, indicating that pulses of population fragmentation and expansion during the Quaternary have led to multiple opportunities for both allopatric isolation and secondary contact.

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Section: Methodsmentioning

confidence: 99%

Phylogenomics of arboreal alligator lizards shed light on the geographical diversification of cloud forest‐adapted biotas

Gutiérrez‐Rodríguez

Ortego

et al. 2022

Journal of Biogeography

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“…The species diversity of the Sierra de Zongolica is high, and it is important to continue exploring other areas, since several records and new species have recently been discovered (Canseco-Márquez et al 2016;De La Torre-Loranca et al 2020;García-Vázquez et al 2022). This region is topographically complex, which generates a diversity of microclimates and a great variety of ecosystems, including Evergreen Tropical Forest, Cloud Forest, Coniferous Forest and Pine-Oak forests (Rzedowski 2006;Miranda and Hernández 1963).…”

Section: Discussionmentioning

confidence: 99%

A new arboreal Pseudoeurycea (Caudata: Plethodontidae) from the Sierra de Zongolica, Veracruz, Mexico

Cazares-Hernández¹,

Jimeno-Sevilla²,

Rovito³

et al. 2022

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We describe a new species of plethodontid salamander of the genus Pseudoeurycea from the Sierra de Zongolica, Veracruz, Mexico. The new species is distinguished from all other species in the genus by morphological and genetic features and by coloration. Based on a mtDNA phylogeny, the new species belongs to the Pseudoeurycea juarezi group and is most closely related to P. ruficauda from the Sierra Mazateca in northern Oaxaca. The newly described salamander increases the number of species of plethodontid salamanders from Veracruz to 43 and those recognized from Mexico to 140.

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“…We generated the new ddRADseq data following a recently published procedure used for Abronia [ 45 ], except that we extracted genomic DNA from the presumed new species, Gerrhonotus , and Elgaria samples with a DNeasy Blood & Tissue Kit (Quiagen, cat. No.…”

Section: Methodsmentioning

confidence: 99%

“…We follow that taxonomic arrangement in the present study. More comprehensive taxonomic histories of Abronia and the former genus Mesaspis are available elsewhere [ 38 , 44 , 45 ]. Presently, there are 41 recognized species of Abronia [ 45 ].…”

Section: Introductionmentioning

confidence: 99%

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Bridging the gap: A new species of arboreal Abronia (Squamata: Anguidae) from the Northern Highlands of Chiapas, Mexico

Clause,

Luna-Reyes,

Mendoza-Velázquez

et al. 2024

PLoS ONE

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The mountain forests of Middle America are renowned for their endemic biodiversity, and arboreal alligator lizards (genus Abronia) are high-profile vertebrates endemic to this region. In this work, we describe a new species of arboreal Abronia that is known only from the type locality in the Northern Highlands of Chiapas, Mexico. The new species is diagnosed from all other members of the genus Abronia by the following combination of characters: lack of protuberant or spine-like supra-auricular scales, lack of protuberant or casque-like posterolateral head scales, dorsum of head pale yellow with distinct dark markings, 35–39 transverse dorsal scale rows, lateralmost row of ventral scales enlarged relative to adjacent medial row, and dorsum brown with darker crossbands that are sometimes reduced to rows of spots. We provisionally include the new species in the subgenus Lissabronia based on genomic and morphological evidence, but our results also suggest a close relationship to the subgenus Abaculabronia. The new species is geographically separated from the nearest Lissabronia and Abaculabronia species by the lowland Central Depression of Chiapas. Ongoing habitat loss and other factors imperil the new species, leading us to propose its listing under multiple threatened species frameworks. Because the Northern Highlands have poor coverage of protected areas, we briefly comment on the potential of this new species for stimulating conservation in the region.

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A New Species of Abronia (Squamata: Anguidae) from the Sierra de Zongolica of Veracruz, Mexico

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 6 publications

References 53 publications

Phylogenomics of arboreal alligator lizards shed light on the geographical diversification of cloud forest‐adapted biotas

Phylogenomics of arboreal alligator lizards shed light on the geographical diversification of cloud forest‐adapted biotas

A new arboreal Pseudoeurycea (Caudata: Plethodontidae) from the Sierra de Zongolica, Veracruz, Mexico

Bridging the gap: A new species of arboreal Abronia (Squamata: Anguidae) from the Northern Highlands of Chiapas, Mexico

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