{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["1251"],"submitter":["Liu F"],"pubmed_abstract":["A new species of the genus <i>Diploderma</i> is described from the upper Dadu River Valley in the Hengduan mountains of Sichuan Province, China. Phylogenetic analyses based on the mitochondrial <i>ND2</i> gene revealed that the new species, <i>Diploderma bifluviale</i> <b>sp. nov.</b>, forms a distinct lineage within the <i>Diploderma flaviceps</i> group with an uncorrected genetic distance of ≥3.88%. Morphologically, the new species differs from its congeners by a combination of characters, including a shorter snout-vent length (SVL 62.51-72.55 mm), a shorter tail (TAL/SVL ratio 1.37-1.56), concealed tympanum, absence of a gular spot, and lemon-chiffon dorsolateral stripes with serrated edges in males. Additionally, <i>Diploderma bifluviale</i> <b>sp. nov.</b> exhibits unique coloration traits such as a wheat-colored tongue and the fourth toe with claw reaching either the tympanum or the area between shoulder and tympanum when hind limbs adpressed forward. The species inhabits semi-arid shrublands in warm-dry valleys at elevations of 2,187-2,525 m - a habitat that is distinct from those of its closest relatives. This discovery highlights the understudied biodiversity of the upper Dadu River. <i>Diploderma bifluviale</i> <b>sp. nov.</b> represents the 49<sup>th</sup> species of the genus and expands our understanding of morphological and ecological diversity within the <i>D. flaviceps</i> group."],"journal":["ZooKeys"],"pagination":["17-38"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12423635"],"repository":["biostudies-literature"],"pubmed_title":["A new species of &lt;i&gt;Diploderma&lt;/i&gt; Hallowell, 1861 (Squamata, Agamidae) discovered in the upper Dadu River valley of the Hengduan Mountains, Sichuan, China."],"pmcid":["PMC12423635"],"pubmed_authors":["Cai B","Yang G","Zhang J","Liu S","Chen X","Chang J","Xie Q","Liu F","Wu Y"],"additional_accession":[]},"is_claimable":false,"name":"A new species of &lt;i&gt;Diploderma&lt;/i&gt; Hallowell, 1861 (Squamata, Agamidae) discovered in the upper Dadu River valley of the Hengduan Mountains, Sichuan, China.","description":"A new species of the genus <i>Diploderma</i> is described from the upper Dadu River Valley in the Hengduan mountains of Sichuan Province, China. Phylogenetic analyses based on the mitochondrial <i>ND2</i> gene revealed that the new species, <i>Diploderma bifluviale</i> <b>sp. nov.</b>, forms a distinct lineage within the <i>Diploderma flaviceps</i> group with an uncorrected genetic distance of ≥3.88%. Morphologically, the new species differs from its congeners by a combination of characters, including a shorter snout-vent length (SVL 62.51-72.55 mm), a shorter tail (TAL/SVL ratio 1.37-1.56), concealed tympanum, absence of a gular spot, and lemon-chiffon dorsolateral stripes with serrated edges in males. Additionally, <i>Diploderma bifluviale</i> <b>sp. nov.</b> exhibits unique coloration traits such as a wheat-colored tongue and the fourth toe with claw reaching either the tympanum or the area between shoulder and tympanum when hind limbs adpressed forward. The species inhabits semi-arid shrublands in warm-dry valleys at elevations of 2,187-2,525 m - a habitat that is distinct from those of its closest relatives. This discovery highlights the understudied biodiversity of the upper Dadu River. <i>Diploderma bifluviale</i> <b>sp. nov.</b> represents the 49<sup>th</sup> species of the genus and expands our understanding of morphological and ecological diversity within the <i>D. flaviceps</i> group.","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025","modification":"2026-04-23T03:15:34.143Z","creation":"2026-04-23T03:10:09.253Z"},"accession":"S-EPMC12423635","cross_references":{"pubmed":["40951676"],"doi":["10.3897/zookeys.1251.153705"]}}