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Issue: Vol. 4894 No. 3: 10 Dec. 2020
Type: Article
Published: 2020-12-10
DOI: 10.11646/zootaxa.4894.3.5
Page range: 387–402
Abstract views: 243
PDF downloaded: 9

A new species of Limnonectes (Amphibia: Anura: Dicroglossidae) from Vietnam

Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, 10072 Hanoi, Vietnam.
Phu Yen University, 18 Tran Phu Road, Phu Yen Province, Vietnam.
Faculty of Environmental Sciences, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai Road, Hanoi, Vietnam. Central Institute for Natural Resources and Environmental Studies, Vietnam National University, Hanoi, 19 Le Thanh Tong, Hanoi, Vietnam. Department of Herpetology, American Museum of Natural History, Central Park West at 79th Street, New York 10024, USA.
Central Institute for Natural Resources and Environmental Studies, Vietnam National University, Hanoi, 19 Le Thanh Tong, Hanoi, Vietnam. Faculty of Biology, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai Road, Hanoi, Vietnam.
Asian Turtle Program - Indo-Myanmar Conservation, To Huu Street, Hanoi, Vietnam.
AG Zoologischer Garten Köln, Riehler Strasse 173, D-50735 Cologne, Germany. Institute of Zoology, University of Cologne, Zülpicher Strasse 47b, D-50674 Cologne, Germany.
Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, 10072 Hanoi, Vietnam. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, 10072 Hanoi, Vietnam.
Amphibia Limnonectes phuyenensis sp. nov. molecular phylogeny taxonomy Phu Yen Province

Abstract

A new species of Limnonectes from Phu Yen Province, South-central Vietnam is described based on morphological and molecular differences. Morphologically, the new species is distinguishable from its congeners on the basis of a combination of the following diagnostic characters: SVL 49.8–77.9 mm in males, 40.8–61.8 mm in females; males with moderately enlarged head (HL/SVL 0.47, HW/SVL 0.48); head slightly broader than long (HL/HW 0.97 in males, 0.95 in females); vomerine teeth present; external vocal sacs absent; rostral length short (RL/SVL 0.15); tympanum invisible; dorsal surface of head, body and flanks with ridges and tubercles; dorsal surface of tibia and foot distinctly tuberculate, covered with moderately dense, small, low tubercles; supratympanic fold present; dorsolateral fold absent; Finger I with nuptial pad, composed of minute spines on dorsal surface and medial edge in males; toes webbed to distal of terminal phalanx, webbing formula I0–0II0–0III0–0IV0-–0V0; in life, dorsum yellowish brown with dark brown markings; ventral surface white with brown markings. In phylogenetic analyses, the new species from Vietnam and Limnonectes fastigatus as well as L. kiziriani form a clade, which is sister to L. fragilis from China, although the nodal support values for the set of relationships are insignificant from all analyses.

 

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