Triangle keelback
species of reptile
The triangle keelback (Xenochrophis trianguligerus) is a species of snake found in Brunei Darussalam, Burma (Myanmar), Cambodia, India (Nicobar Islands; Arunachal Pradesh (Deban - Changlang district)), Indonesia (Nias, Mentawai, Sumatra, Laos, Malaysia (Malaya and East Malaysia), Singapore, Thailand, and Vietnam.
The type locality is Java.
Gallery
References
Friedrich Boie 1827 Bemerkungen über Merrem's Versuch eines Systems der Amphibien, 1. Lieferung: Ophidier. Isis van Oken, Jena, 20: 508–566.
Bisby F.A.; Roskov Y.R.; Orrell T.M.; Nicolson D.; Paglinawan L.E.; Bailly N.; Kirk P.M.; Bourgoin T.; Baillargeon G.; Ouvrard D. (red.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist".
The public source identifies “Triangle keelback” as species of reptile. This brief keeps that definition visible, then builds a research path around Triangle, keelback and species.
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The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Dec 16, 2025. The linked authority identifier is Q2708236. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1827, 2011 and 2000.
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This entry incorporates text from “Triangle keelback” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.