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

Callulina kreffti Nieden, 1911

Class: Amphibia > Order: Anura > Family: Brevicipitidae > Genus: Callulina > Species: Callulina kreffti

Callulina kreffti Nieden, 1911 "1910", Sitzungsber. Ges. Naturforsch. Freunde Berlin, 1910: 449. Syntypes: ZMB 21777-78 and AMNH 23600 (formerly ZMB 23600) according to Bauer, Günther, and Robeck, 1996, Mitt. Zool. Mus. Berlin, 72: 261; ZMB 21778 invalidly considered lectotype ('Type') by implication of Parker, 1934, Monogr. Frogs Fam. Microhylidae: 181. Type localities: "Amani" (ZMB 21778, AMNH 23600) and "Tanga"(ZMB 21777), Tanzania.

English Names

Krefft's Secret Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 88).

Krefft's Warty Frog (Channing and Howell, 2006, Amph. E. Afr.: 222).

Distribution

Shimba Hills, Kenya and in Tanzania in the East Usambaras, Ulugurus, Ngurus, Ukagurus, and Udzungwa mountains.

Comment

Channing and Howell, 2006, Amph. E. Afr.: 222-223, and Channing and Howell, 2006, Amph. E. Afr.: 223, provided accounts. Records of Callulina from the ,Ulugurus, Ngurus, Ukagurus, and Udzungwa mountains have been assigned to different species according to Loader, Gower, Müller, and Menegon, 2010, Zootaxa, 2694: 26-27. Harper, Measey, Patrick, Menegon, and Vonesh, 2010, Field Guide Amph. E. Arc Mts. Tanzania and Kenya: 88–89, provided a brief account. Spawls, Wasonga, and Drewes, 2019, Amph. Kenya: 30, provided a range map for Kenya, photograph, and brief characterization. Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 128–129, provided a brief account, photograph, and range map.

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.