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  4. A roadmap for harlequin frog systematics, with a partial revision of Amazonian species related to Atelopus spumarius
 
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A roadmap for harlequin frog systematics, with a partial revision of Amazonian species related to Atelopus spumarius

Journal
Zootaxa
ISSN
1175-5334
1175-5326
Date Issued
2025
Author(s)
STEFAN LÖTTERS
PHILIPP BÖNING
SALVADOR BAILON
JOSE DANIEL BARROS CASTAÑEDA
RENAUD BOISTEL
ALESSANDRO CATENAZZI
JUAN C. CHAPARRO
GERMÁN CHÁVEZ
ANGEL CHUJUTALLI
LAURENT COEN
LUIS A. COLOMA
ANDREW J. CRAWFORD
JAIME CULEBRAS
JUAN CARLOS CUSI MARTÍNEZ
JUAN MANUEL DAZA
IGNACIO DE LA RIVA
DENISE J. ELLWEIN
RAFFAEL ERNST
SANDRA V. FLECHAS
ANTOINE FOUQUET
JUAN MANUEL GUAYASAMIN
CHRISTOPHER HEINE
RAFAEL F. JORGE
ALISHA JUNG
KARL-HEINZ JUNGFER
NATHALIE KAFFENBERGER
HENRIK KREHENWINKEL
ENRIQUE LA MARCA
MARGARITA LAMPO
GUIDO F. MEDINA RANGEL
LUDVIG ORSEN
DANIEL J. PALUH
JOSÉ LUIS PÉREZ GONZALEZ
JONATHAN PERRIN
AMANDA B. QUEZADA RIERA
JUAN PABLO REYES-PUIG
BERNARDO ROCA-REY ROSS
DANIELA C. RÖSSLER
LUIS ALBERTO RUEDA SOLANO
Salazar Valenzuela, David
Centro de Investigación de la Biodiversidad y Cambio Climático
JOSEFA CELSA SEÑARIS VAZQUEZ
MORGANE SOWINSKI
ANDREA TERÁN-VALDEZ
ANGIE TOVAR-ORTIZ
MICHAEL VEITH
PABLO VENEGAS
RUDOLF VON MAY
TIMM WEITKAMP
AMADEUS PLEWNIA
Type
journal-article
DOI
10.11646/zootaxa.5571.1.1
URL
https://cris.indoamerica.edu.ec/handle/123456789/9333
Abstract
Harlequin frogs, genus Atelopus, are a species-rich group of bufonid anurans from the Neotropics with more than 100 species. For nearly four decades now, this group has suffered from massive population declines. Almost all species are threatened with extinction, and many populations and several species are considered extinct or possibly extinct. This results in a limited sampling available for studies on harlequin frog systematics, especially in terms of molecular genetic information. However, efficient conservation of harlequin frogs requires an improved taxonomy. This is further complicated through the circumstance that many Atelopus species are relatively poor in external morphological characters combined with a high level of intra-specific character variation (e.g. coloration and body size). At the same time, cryptic diversity exists with well differentiated species (supported by osteology and molecular genetics) almost indistinguishable by external morphology. We compiled the largest dataset to date for mitochondrial (12S, 16S, cyt b) and nuclear (POMC, RAG1) markers and present a phylogeny (likelihood and Bayesian inference methods) including 152 samples from 104 populations scattered over the entire geographic range of the genus. Four allo- or parapatric main clades are distinguished: I. Sierra Nevada; II. Venezuelan-Andean; III. Andean-Chocó-Central American (with the ignescens and the varius-longirostris clades); and IV Amazonian (containing the tricolor and the flavescens-spumarius clades). The phylogenetic relationships within these clades remain to be resolved. Taxonomic implications included both splitting and lumping, but taxonomic action is here only taken for populations related to A. spumarius from western Amazonia. Besides redescriptions of A. spumarius sensu stricto and A. colomai, we describe two new species based on morphology, skull osteology and bioacoustics. Additional yet understudied populations from Amazonia may be allocated to these species or may represent additional undescribed taxa.
Subjects
  • Amphibian crisis

  • Bioacoustics

  • Cryptic diversity

  • Integrative taxonomy

  • Molecular phylogeneti...

  • Neotropics

  • Osteology

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4
Acquisition Date
Sep 6, 2025
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