Search tool	Example of search string in box	What that means to the database
* = "wildcard". Allows a partial letter string to be entered and implies either no or various extension on this letter string	Hyl*	Will find all uses of "Hyl . . ." anywhere in a record: e.g., Hylarana, Hyla, Hylidae, Hylinae, Hylaedactyla.
* = "wildcard". Allows a partial letter string to be entered and implies either no or various extension on this letter string	*Hyla	Will find all uses of ". . . hyla" anywhere in a record: e.g., Hyla, Hylidae, Plectrohyla, Ptychadena hylaea, Adenomera hylaedactyla
	Hyla	Will find all records that contain stand-alone uses of Hyla: e.g., Hyla, Hyla arenicolor
Strings of words without quotation marks	Lithobates pipiens	Interprets this as "Lithobates OR pipiens" so will find the union of all records that contain either "Lithobates" or "pipiens": e.g., Lithobates omiltemanus, Hylorana pipiens
Strings of word with quotation marks	"Lithobates pipiens"	Interprets this as "Lithobates AND pipiens" so will return all records that have the character string "Lithobates pipiens" anywhere within a record: e.g., all members of the Lithobates pipiens complex.
AND statement. Means that the results of the search must include both words held together by an AND	Lithobates AND pipiens	Same as "Lithobates pipiens"
OR statement. Means that the results of the search will all records that have either of the terms held together by an OR	Lithobates OR "Costa Rica"	Recovers all records that contain the word "Lithobates" or "Costa Rica": 402 records inasmuch as this will include all records for the entire amphibian fauna of Costa Rica
Combining Boolean operators within the Basic Search box (AND, OR, NOT, quotation marks)	Lithobates AND "Costa Rica" NOT forreri	Recovers only records that contain the word Lithobates AND "Costa Rica", but excludes any record that contains the word "forreri" in any part of the record: 9 records
Printable HELP file

Search tool	Example of search string in box	What that means to the database
* = "wildcard". Allows a partial letter string to be entered and implies either no or various extension on this letter string	Hyl*	Will find all uses of "Hyl . . ." anywhere in a record: e.g., Hylarana, Hyla, Hylidae, Hylinae, Hylaedactyla.
* = "wildcard". Allows a partial letter string to be entered and implies either no or various extension on this letter string	*Hyla	Will find all uses of ". . . hyla" anywhere in a record: e.g., Hyla, Hylidae, Plectrohyla, Ptychadena hylaea, Adenomera hylaedactyla
Single word	Hyla	Will find all records that contain stand-alone uses of Hyla: e.g., Hyla, Hyla arenicolor
Strings of words without quotation marks	Lithobates pipiens	Interprets this as "Lithobates OR pipiens" so will find the union of all records that contain either "Lithobates" or "pipiens": e.g., Lithobates omiltemanus, Hylorana pipiens
Strings of word with quotation marks	"Lithobates pipiens"	Interprets this as "Lithobates AND pipiens" so will return all records that have the character string "Lithobates pipiens" anywhere within a record: e.g., all members of the Lithobates pipiens complex.
AND statement. Means that the results of the search must include both words held together by an AND	Lithobates AND pipiens	Same as "Lithobates pipiens"
OR statement. Means that the results of the search will all records that have either of the terms held together by an OR	Lithobates OR "Costa Rica"	Recovers all records that contain the word "Lithobates" or "Costa Rica": 402 records inasmuch as this will include all records for the entire amphibian fauna of Costa Rica
Combining Boolean operators within the Basic Search box (AND, OR, NOT, quotation marks)	Lithobates AND "Costa Rica" NOT forreri	Recovers only records that contain the word Lithobates AND "Costa Rica", but excludes any record that contains the word "forreri" in any part of the record: 9 records
Printable HELP file

Batrachuperus yenyuanensis Liu, 1950

Class: Amphibia > Order: Caudata > Family: Hynobiidae > Subfamily: Hynobiinae > Genus: Batrachuperus > Species: Batrachuperus yenyuanensis

Batrachuperus yenyuanensis Liu, 1950, Fieldiana, Zool. Mem., 2: 99. Holotype: FMNH 49370, by original designation. Type locality: "Peilinshan, Yenyuanhsien, Sikang [now Sichuan], China, 14,500 feet altitude".

Batrachuperus (Tibetuperus) yenyuanensis — Dubois and Raffaëlli, 2012, Alytes, 28: 77-161.

Common Names

盐源山溪鲵 (Yanuan Mountain Stream Salamander): (Wang, Ren, Chen, Lyu, Guo, Jiang, Chen, Li, Guo, Wang, and Che, 2020, Biodiversity Sci., 28: Appendix 1, 2).

Yenyuan Stream Salamander (Fei, 1999, Atlas Amph. China: 38).

Yenhuanhsien Mountain Salamander (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 28).

Distribution

Southwestern Sichuan (Dechang, Puge, Mianning, Yanbian, Yanyuan, Xichang, Mianning, and Puxiong counties), China; possibly extending into adjacent northern Yunnan, 2900–4400 m elevation.

Geographic Occurrence

Natural Resident: China, People's Republic of

Endemic: China, People's Republic of

Comment

Discussed by Fei, Ye, and Tian, 1983, Acta Zootaxon. Sinica, 8: 209-219. See accounts by Ye, Fei, and Hu, 1993, Rare and Economic Amph. China: 62; Fei, 1999, Atlas Amph. China: 38; Thorn and Raffaëlli, 2000, Salamand. Ancien Monde: 116-119; and Raffaëlli, 2007, Les Urodèles du Monde: 60. In the Batrachuperus tibetanus group of Fei, Ye, Huang, Jiang, and Xie, 2005, in Fei et al. (eds.), Illust. Key Chinese Amph.: 36, although they only addressed Chinese species. Fei and Ye, 2001, Color Handbook Amph. Sichuan: 93, provided a brief account and illustration. See also brief account by Zhao and Yang, 1997, Amph. Rept. Hengduan Mountains Region: 30-31. Fei, Hu, Ye, and Huang, 2006, Fauna Sinica, Amph. 1: 239–242. Fu and Zeng, 2008, Mol. Ecol., 17: 1469-1488, noted a closely-related unnamed species in western Sichuan, China. See illustration, map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 549. Fei, Ye, and Jiang, 2010, Colored Atlas of Chinese Amph.: 70, provided a brief account including photographs of specimens. See comment about the subgeneric taxonomy under the generic record. Fei, Ye, and Jiang, 2012, Colored Atlas Chinese Amph. Distr.: 76, provided an account, photographs, and a map. Raffaëlli, 2013, Urodeles du Monde, 2nd ed.: 79, provided a brief account, photo, and map. Sparreboom, 2014, Salamanders Old World: 49–50, reviewed the biology, characteristics, distribution, reproduction, and conservation of the species. Fei and Ye, 2016, Amph. China, 1: 251–252, provided an account, photographs, and range map. Jia, Jiang, Zhang, and Gao, 2019, PLoS One, 14(1: e0211069): 1–34, reported on osteology. See Xiong, Luo, and Zeng, 2020, Zool. Res., Kunming, 41: 589–594, for a partial distribution map and discussion of relationships. Raffaëlli, 2022, Salamanders & Newts of the World: 61, provided an account, covering systematics, life history, and distribution (including a polygon map). Tighe, 2022, Smithson. Contrib. Zool., 654: 17, briefly discussed secondary types.

External links:

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For access to general information see Wikipedia
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For access to relevant technical literature search Google Scholar
For images search CalPhoto Images and Google Images
To search the NIH genetic sequence database, see GenBank
For additional information see AmphibiaWeb report
For information on conservation status and distribution see the IUCN Redlist
For information on distribution, habitat, and conservation see the Map of Life
For related information on conservation and images as well as observations see iNaturalist
For additional information specific to China see Amphibia China
For access to available specimen data for this species, from over 350 scientific collections, go to Vertnet.