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

Ptychadena dahomeyensis Rödel, Schmitz, Penner, Griesbaum, Leaché, Ofori-Boateng, Portik, Doumbia, Kouamé, Kpan, Gonwouo, Nopper, Hillers, Nago, Ernst, Glos, Petzold, and Barej, 2026

Class: Amphibia > Order: Anura > Family: Ptychadenidae > Genus: Ptychadena > Species: Ptychadena dahomeyensis

Ptychadena dahomeyensis Rödel, Schmitz, Penner, Griesbaum, Leaché, Ofori-Boateng, Portik, Doumbia, Kouamé, Kpan, Gonwouo, Nopper, Hillers, Nago, Ernst, Glos, Petzold, and Barej, 2026, Zootaxa, 5779: 27. Holotype: ZMB 95881, by original designation. Type locality: "Bénin, Lama Forest, Layon 12, 6.93 Lat., 2.15 Long." ZooBank Publication registration: 4BDED977-C356-47B9-870F-7280C4F631A0

Common Names

Dahomey Grass Frog (original publication).

Distribution

Southern Bénin and south-eastern Ghana; likely in south-western Nigeria and southern Togo.

Geographic Occurrence

Natural Resident: Benin, Ghana

Likely/Controversially Present: Nigeria, Togo

Comment

Formerly confused with Ptychadena aequiplicata according to the original publication, where the species were distinguished on the basis of mt- and nu-DNA markers and comparative morphology and morphometrics. Literature under Ptychadena aequiplicata published prior to 2026 may include information relevant to this new species.

External links:

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For access to general information see Wikipedia
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To search the NIH genetic sequence database, see GenBank
For additional information see AmphibiaWeb report
For related information on conservation and images as well as observations see iNaturalist