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

Stefania scalae Rivero, 1970

Class: Amphibia > Order: Anura > Family: Hemiphractidae > Genus: Stefania > Species: Stefania scalae

Stefania scalae Rivero, 1970, Bol. Soc. Venezol. Cienc. Nat., 28: 456. Holotype: MCZ 64373, by original designation. Type locality: "the region of La Escalera, road between El Dorado and Sta. Elena de Uairén, around 1,200 m., Edo. Bolívar, Venezuela".

English Names

None noted.

Distribution

Upland streams in the La Escalera region, Bolívar, Venezuela; possibly into adjacent Guyana and Brazil, 600 to 1360 m elevation.

Geographics occurrence

Natural resident: Venezuela

Endemic to the political unit: Venezuela

Comment

Removed from the synonymy of Stefania evansi by Señaris, Ayarzagüena, and Gorzula, 1997 "1996", Publ. Asoc. Amigos Doñana, 7: 37, where it had been placed by Duellman and Hoogmoed, 1984, Misc. Publ. Mus. Nat. Hist. Univ. Kansas, 75: 9. Duellman, 1997, Sci. Pap. Nat. Hist. Mus. Univ. Kansas, 2: 22, commented on a population in southeastern Venezuela (as Stefania evansi). See comments by Gorzula and Señaris, 1999 "1998", Scient. Guaianae, 8: 48. MacCulloch and Lathrop, 2002, Herpetologica, 58:342, discussed the species. MacCulloch and Lathrop, 2009, R. Ontario Mus. Contrib. Sci., 4: 13, commented on specimens from Mount Ayanganna, Guyana. See Cole, Townsend, Reynolds, MacCulloch, and Lathrop, 2013, Proc. Biol. Soc. Washington, 125: 398, for brief account and records for Guyana. Señaris, Lampo, Rojas-Runjaic, and Barrio-Amorós, 2014, Guía Ilust. Anf. Parque Nac. Canaima: 136–137, provided a photograph and a brief account for the Parque Nacional de Canaima, Venezuela. Kok, Russo, Ratz, Means, MacCulloch, Lathrop, Aubret, and Bossuyt, 2017, J. Biogeograph., 44: 170–181, noted several unnamed species covered by this species name. See Barrio-Amorós, Rojas-Runjaic, and Señaris, 2019, Amph. Rept. Conserv., 13 (1: e180): 59, for comments on range and literature. Señaris and Rojas-Runjaic, 2020, in Rull and Carnaval (eds.), Neotrop. Divers. Patterns Process.: 571–632, commented on range and conservation status in the Venezuelan Guayana.

External links:

Please note: these links will take you to external websites not affiliated with the American Museum of Natural History. We are not responsible for their content.

For additional sources of information from other sites search Google
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 related information on conservation and images as well as observation see iNaturalist
For access to available specimen data for this species, from over 350 scientific collections, go to Vertnet.