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

Ichthyophis griseivermis Poyarkov, Skorinova, Bragin, Kolchanov, Gorin, Trofimets, Yuzefovich, Le, Nguyen, and Skutschas, 2025

Class: Amphibia > Order: Gymnophiona > Family: Ichthyophiidae > Genus: Ichthyophis > Species: Ichthyophis griseivermis

Ichthyophis griseivermis Poyarkov, Skorinova, Bragin, Kolchanov, Gorin, Trofimets, Yuzefovich, Le, Nguyen, and Skutschas, 2025, Vert. Zool., Senckenberg, 75: 422. Holotype: ZMMU A-8208, by original designation. Type locality: "Xuan Lien National Park, Bat Mot Commune, Thanh Hoa Province, Vietnam (elevation 800 m a.s.l.; geographic coordinates: 19.985°N, 104.974°E) . . . from a bank of mountain stream". ZooBank Publication registration: 9EBD5402-6D5A-4C0E-B2AE-03EBB05E2E20

Common Names

Grey Worm Caecilian (original publication).

Ếch giun xám Bắc Trung Bộ” (Vietnamese: original publication)

Серый рыбозмей (Russian: original publication).

Distribution

Known from two protected areas in northern Vietnam (Xuan Lien National Park in Thanh Hoa Province and Pu Hoat Nature Reserve in Nghe An Province); expected in the adjacent parts of Houaphanh Province of Laos, as well as in Ben En Nat Park in Thanh Hoa Province and Pu Huong Nature Reserve in Nghe An Province, Vietnam.

Geographic Occurrence

Natural Resident: Vietnam

Likely/Controversially Present: Laos

Endemic: Vietnam

Comment

Comparative morphology, osteology, and molecular markers (mtDNA) detailed in the original publication.

External links:

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For additional information see AmphibiaWeb report
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