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Taxonomic revision of grass frogs ( Ptychadenidae , Ptychadena ) endemic to the Ethiopian highlands

Authors
  • Goutte, Sandra1
  • Reyes-Velasco*, Jacobo1
  • Freilich, Xenia2
  • Kassie, Abeje3, 4
  • Boissinot, Stephane1
  • 1 New York University Abu Dhabi, Abu Dhabi, United Arab Emirates , Abu Dhabi (United Arab Emirates)
  • 2 City University of New York, New York, United States of America , New York
  • 3 Ethiopian Biodiversity Institute, Addis Ababa, Ethiopia , Addis Ababa (Ethiopia)
  • 4 Addis Ababa University, Addis Ababa, Ethiopia , Addis Ababa (Ethiopia)
Type
Published Article
Journal
ZooKeys
Publisher
Pensoft Publishers
Publication Date
Feb 11, 2021
Volume
1016
Pages
77–141
Identifiers
DOI: 10.3897/zookeys.1016.59699
PMID: 33628080
PMCID: PMC7892535
Source
PubMed Central
Keywords
License
Unknown
External links

Abstract

Frogs of the genus Ptychadena that inhabit the Ethiopian highlands serve as a model system to understand biogeography, diversification, and adaptations to high elevations. Despite recent studies focusing on the systematics of this group, the taxonomy of the Ptychadena neumanni species complex remains only partially resolved, owing largely to the morphological resemblance of its members. Here, the taxonomy of this historically problematic group of frogs is revised by integrating morphological and molecular analyses on both century-old type specimens and more recently collected material. Based on these multiple lines of evidence, the P. neumanni species complex is shown to be more speciose than previously thought and four new species are described. With the aim of clarifying and stabilizing the taxonomy of the group, six species are also re-described and morphological and acoustic identification keys are provided. This study also establishes species distribution maps and reveals important differences in range size between the members of the P. neumanni complex, calling for adapted conservation measures across the Ethiopian highlands.

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