New Ichthyophis species from Indochina (Gymnophiona, Ichthyophiidae): 1. The unstriped forms with descriptions of three new species and the redescriptions of I. acuminatus Taylor, 1960, I. youngorum Taylor, 1960 and I. laosensis Tayl

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• 作者：Peter Geissler (1) (12)
  Nikolay A. Poyarkov Jr. (2) (3)
  Lee Grismer (4)
  Truong Q. Nguyen (5) (6)
  Hang T. An (5)
  Thy Neang (7) (8)
  Alexander Kupfer (12) (9)
  Thomas Ziegler (10)
  Wolfgang B枚hme (1)
  Hendrik M眉ller (11)
  
  1. Zoologisches Forschungsmuseum Alexander Koenig ; Adenauerallee 160 ; 53113 ; Bonn ; Germany
  12. Staatliches Museum f眉r Naturkunde Stuttgart ; Rosenstein 1 ; 70191 ; Stuttgart ; Germany
  2. Department of Vertebrate Zoology ; Biological Faculty ; Lomonosov Moscow State University ; Leninskiye Gory ; Moscow GSP-1 ; 119991 ; Russia
  3. Joint Russian-Vietnamese Tropical Research and Technological Center of the A.N. Severtsov ; Institute of Ecology and Evolution ; South Branch ; 3 ; Street 3/2 ; 10 District ; Ho Chi Minh City ; Vietnam
  4. Department of Biology ; La Sierra University ; 4500 Riverwalk Parkway ; Riverside ; CA ; 92515-8247 ; USA
  5. Institute of Ecology and Biological Resources ; Vietnam Academy of Science and Technology ; 18 Hoang Quoc Viet ; Hanoi ; Vietnam
  6. Department of Terrestrial Ecology ; Institute of Zoology ; University of Cologne ; Z眉lpicher Strasse 47b ; 50674 ; Cologne ; Germany
  7. Department of National Parks ; Ministry of Environment ; 48 Samdech Preah Sihanouk ; Tonle Bassac Chamkarmorn ; Phnom Penh ; Cambodia
  8. Fauna and Flora International (FFI) ; 19 ; Street 360 ; BKK 1 ; Chamkarmorn ; Phnom Penh ; Cambodia
  9. Institute of Biochemistry and Biology ; University of Potsdam ; Karl-Liebknecht-Strasse 24-25 ; House 26 ; 14476 ; Potsdam ; Germany
  10. AG Zoologischer Garten K枚ln ; Riehler Stra脽e 173 ; Cologne ; 50735 ; Germany
  11. Institut f眉r Spezielle Zoologie und Evolutionsbiologie mit Phyletischem Museum ; Friedrich-Schiller-Universit盲t Jena ; Erbertstrasse 1 ; 07743 ; Jena ; Germany
  
• 关键词：Biogeography ; Caecilians ; Indochina ; Cambodia ; Laos ; Thailand ; Vietnam ; mtDNA ; Barcoding ; COI ; cyt b ; Phylogeny ; Integrative taxonomy
• 刊名：Organisms Diversity & Evolution
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：15
• 期：1
• 页码：143-174
• 全文大小：11,413 KB
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• 刊物主题：Biodiversity; Evolutionary Biology; Developmental Biology; Animal Systematics/Taxonomy/Biogeography; Plant Systematics/Taxonomy/Biogeography;
• 出版者：Springer Berlin Heidelberg
• ISSN：1618-1077

文摘

Caecilians of the genus Ichthyophis Fitzinger, 1826 are among the most poorly known amphibian taxa within Southeast Asia. Populations of Ichthyophis from the Indochina region (comprising Cambodia, Laos, and Vietnam) have been assigned to five taxa: Ichthyophis acuminatus, Ichthyophis bannanicus, Ichthyophis kohtaoensis, Ichthyophis laosensis, and Ichthyophis nguyenorum. Barcoding of recently collected specimens indicates that Indochinese congeners form a clade that includes several morphologically and genetically distinct but yet undescribed species. Although body coloration is supported by the molecular analyses as a diagnostic character at species level, unstriped forms are paraphyletic with respect to striped Ichthyophis. Based on our morphological and molecular analyses, three distinct unstriped ichthyophiid species, Ichthyophis cardamomensis sp. nov. from western Cambodia, Ichthyophis catlocensis sp. nov. from southern Vietnam, and Ichthyophis chaloensis sp. nov. from central Vietnam are described as new herein, almost doubling the number of Ichthyophis species known from the Indochinese region. All three new species differ from their unstriped congeners in a combination of morphological and molecular traits. In addition, redescriptions of three unstriped Ichthyophis species (Ichthyophis acuminatus, I. laosensis, I. youngorum) from Indochina and adjacent Thailand are provided.