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

Lithobates psilonota (Webb, 2001)

Class: Amphibia > Order: Anura > Family: Ranidae > Genus: Lithobates > Species: Lithobates psilonota

Rana psilonota Webb, 2001, Mesoam. Herpetol.: 28. Holotype: MSU 12909, by original designation. Type locality: "9.6 road kilometers (six miles via Highwa 15) northwest Sant Isabel, ca. 1158 m, Nayarit, México".

Rana (Novirana, Sierrana, Torrentirana, Zweifelia) psilonota — Hillis and Wilcox, 2005, Mol. Phylogenet. Evol., 34: 305. See Dubois, 2006, Mol. Phylogenet. Evol., 42: 317-330, Hillis, 2007, Mol. Phylogenet. Evol., 42: 331-338, and Dubois, 2007, Cladistics, 23: 390-402, for relevant discussion of nomenclature. Invalid name formulation under the International Code of Zoological Nomenclature (1999) as discussed by Dubois, 2007, Cladistics, 23: 395.

Lithobates psilonota — Frost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 297: 369. Che, Pang, Zhao, Wu, Zhao, and Zhang, 2007, Mol. Phylogenet. Evol., 43: 1-13; by implication.

Lithobates (Lithobates) psilonota — Dubois, 2006, C. R. Biol., Paris, 329: 830; Dubois, 2006, Mol. Phylogenet. Evol., 42: 325.

Rana (Zweifelia) psilonota — Hillis, 2007, Mol. Phylogenet. Evol., 42: 335-336, by implication; Hillis, 2007, Mol. Phylogenet. Evol., 42: 335-336, by implication; Yuan, Zhou, Chen, Poyarkov, Chen, Jang-Liaw, Chou, Matzke, Iizuka, Min, Kuzmin, Zhang, Cannatella, Hillis, and Che, 2016, Syst. Biol., 65: 835.

Common Names

Smooth-backed Frog (Liner and Casas-Andreu, 2008, Herpetol. Circ., 38: 16).

Distribution

Mexican states of Aguascalientes, Zacatecas (southern), Colima, Jalisco, and Nayarit, associated with tributaries of the Río Ameca and the Río Grande de Santiago drainages.

Geographic Occurrence

Natural Resident: Mexico

Endemic: Mexico

Comment

In the Rana tarahumarae group (= Rana pustulosa group) according to the original publication, formerly confused with Rana pustulosa. Ahumada-Carrillo, Vázquez-Huizar, Vázquez-Diaz, and García-Vázquez, 2011, Herpetol. Rev., 42: 397, provided a record for southern Zacatecas, Mexico, and discussed the range. Rodríguez-Canseco, Ayón-Escobedo, and González-Estupiñán, 2013, Herpetol. Rev., 44: 622, reported sympatry of this species with Lithobates spectabilis, Lithobates neovolcanicus, and Lithobates forreri. Bañuelos-Alamillo, Quintero-Díaz, and Carbajal-Márquez, 2018, Mesoam. Herpetol., 5: 173, provided a record from the Municipio de Valparaiso, Zacatecas, Mexico. Loc-Barragán, Smith, Woolrich-Piña, and Lemos-Espinal, 2024, Herpetozoa, Wien, 37: 30, reported on the distributional and conservation status in the state of Nayarit, Mexico.

External links:

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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