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Article
Published: 2019-06-04

Rediscovery of Micryletta inornata (Boulenger, 1890) from Sumatra: redescription, molecular identity, and taxonomic implications

Animal Biology Science, Department of Biology, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University, Dramaga Campus, Bogor 16680, Indonesia
Museum Zoologicum Bogoriense, Research Center for Biology, Indonesian Institute of Sciences, Gd. Widyasatwaloka, Jl. Raya Jakarta Bogor Km 46, Cibinong, West Java, Indonesia
Animal Biology Science, Department of Biology, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University, Dramaga Campus, Bogor 16680, Indonesia
Museum Zoologicum Bogoriense, Research Center for Biology, Indonesian Institute of Sciences, Gd. Widyasatwaloka, Jl. Raya Jakarta Bogor Km 46, Cibinong, West Java, Indonesia
Graduate Program, Faculty of Biology, Universitas Gadjah Mada, Jl. Teknika Selatan, Sleman, Yogyakarta, Indonesia
Systematics Lab, Department of Environmental Studies, University of Delhi, Delhi 110 007, India
Systematics Lab, Department of Environmental Studies, University of Delhi, Delhi 110 007, India
Amphibian and Reptile Diversity Research Center and Department of Biology, University of Texas at Arlington, 501 S. Nedderman Drive, Arlington, TX 76010, USA
Amphibians Asia Indonesia Microhylidae mtDNA phylogeny cryptic species systematics 16S rRNA

Abstract

Micryletta inornata (Boulenger 1890), the type species of the genus Micryletta, was originally described from the island of Sumatra in Indonesia. Subsequently, this species has been widely reported from Sundaland (Sumatra and Malay Peninsula), Indo-China, Northeast India and South Andaman, up to southern China and Taiwan. However, since the original description there has been no further report of this species from the type locality or the island. During a herpetofaunal survey in Sumatra, several specimens that are morphologically concordant with the original description and the syntypes of M. inornata were found, and thus the species was rediscovered after 125 years. Here, we provide a redescription of the species based on the freshly collected specimens, along with a detailed morphological and molecular comparison with known congeners. Further, using molecular data from the mitochondrial 16S rRNA gene, our study recovered the Sumatran M. inornata as a phylogenetically distinct lineage from all other populations previously referred to this species. This confirms that all known Micrylettainornata’ populations from regions outside Sumatra constitute several other lineages representing either new species or previously available names currently considered as synonyms, consequently requiring taxonomic validation in the future.

 

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How to Cite

ALHADI, F., HAMIDY, A., FARAJALLAH, A., MUNIR, M., ATMAJA, V. Y., GARG, S., BIJU, S. D., & SMITH, E. N. (2019). Rediscovery of <em>Micryletta</em> <em>inornata</em> (Boulenger, 1890) from Sumatra: redescription, molecular identity, and taxonomic implications. Zootaxa, 4613(1), 111–126. https://doi.org/10.11646/zootaxa.4613.1.5