This dataset contains the digitized treatments in Plazi based on the original journal article Naveen, R. S., Mirza, Zeeshan A., Choure, Girish, Chandramouli, S. R. (2025): A ‘ Crikey’ new snake: An insular Lycodon Fitzinger, 1826 (Squamata, Colubridae) from the Nicobar Archipelago, India. Evolutionary Systematics 9 (2): 221-228, DOI: 10.3897/evolsyst.9.170645
Abstract
The Nicobar Archipelago, a biodiversity hotspot in the Bay of Bengal, harbours several poorly studied and endemic reptile lineages. Several species of snakes from these islands are known to science with just one or a handful of specimens. One such taxon, historically identified as Lycodon subcinctus Boie, 1827, has remained taxonomically unresolved, known only from a single sighting on Great Nicobar Island to date. Recent taxonomic revisions of the L. subcinctus complex enabled us to reassess the status of the population from the Nicobar Islands. Studies suggested that the species is distinct, and a re-examination of museum material and newly collected specimens, combined with molecular analyses, confirms the distinctiveness of the species and is here described as a new species, Lycodon irwini sp. nov. Given its rarity and restriction to Great Nicobar Island, and taking into account potential threats we recommend that the new species be classified as ‘ Endangered’ under the IUCN Red List criteria.
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