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Issue: Vol. 4576 No. 3: 3 Apr. 2019
Type: Article
Published: 2019-04-03
DOI: 10.11646/zootaxa.4576.3.2
Page range: 439–460
Abstract views: 133
PDF downloaded: 3

A new species of Anomaloglossus (Anura: Aromobatidae) of the stepheni group with the redescription of A. baeobatrachus (Boistel and de Massary, 1999), and an amended definition of A. leopardus Ouboter and Jairam, 2012

Laboratoire Evolution et Diversité Biologique (EDB), UMR5174, Toulouse, France. Laboratoire Ecologie, Evolution, Interactions des Systèmes Amazoniens (LEEISA), USR3456, Cayenne, French Guiana. PLECO, Antwerp University, Antwerp, Belgium.
Laboratoire Evolution et Diversité Biologique (EDB), UMR5174, Toulouse, France.
Laboratoire Ecologie, Evolution, Interactions des Systèmes Amazoniens (LEEISA), USR3456, Cayenne, French Guiana. PLECO, Antwerp University, Antwerp, Belgium.
National Avian Research center, Sweihan, United Arab Emirates
National Zoological Collection Suriname (NZCS), Anton de Kom University of Suriname, Paramaribo, Suriname.
National Zoological Collection Suriname (NZCS), Anton de Kom University of Suriname, Paramaribo, Suriname.
Laboratoire Ecologie, Evolution, Interactions des Systèmes Amazoniens (LEEISA), USR3456, Cayenne, French Guiana.
Muséum National d'Histoire Naturelle, Institut Systématique, Evolution, Biodiversité (ISYEB), UMR 7205, Reptiles & Amphibiens, Paris, France.
Amphibian Evolution Lab, Biology Department, Vrije Universiteit Brussel, Brussels, Belgium.
Amphibia Amazonia Endemism Endotrophy Guiana Shield Reproductive mode Taxonomy

Abstract

Anomaloglossus is a species-rich genus of frogs endemic to the Guiana Shield that still harbors several unnamed species. Within the A. stepheni species group (which includes four valid nominal species), A. baeobatrachus has an uncertain taxonomic status, notably because the holotype was an unvouchered specimen depicted in a popular journal. Another member of this group, A. leopardus, was only superficially described, lacking information on the sex of specimens in the type series and on advertisement call. Therefore, these two taxa need clarifications in order to allow the description of the extant undescribed species. In this paper, we redescribe A. baeobatrachus based on newly collected material from the species type locality and provide information about its reproductive ecology. We also provide an amended definition of A. leopardus using newly collected material from its type locality. These two species form a clade along with a third species from the Eastern Guiana Shield, which is also described herein. The reproductive biology of A. baeobatrachus and A. stepheni is very similar. Both species have endotrophic and nidicolous tadpoles, despite being distantly related, suggesting independent evolution of this breeding mode. The new species and A. leopardus, on the other hand, have exotrophic tadpoles.

 

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