| Diagnosis | Diagnosis: Japalura chapaensis can be diagnosed from its congeners on the basis of the following set of characters: (1) body size moderate SVL 58.10–68.50 mm; (2) tail relatively long TAL/SVL 249.63% (male), 204.70%–228.61% (females); (3) limb length moderate, FLL/SVL 48.14%–54.73%, HLL/SVL 74.66%–81.41%; (4) short, w-shaped ridge present on occipital head anterior to nuchal crest; (5) tympanum concealed; (6) supraciliaries overlapping less than one-third of posterior one; (7) NSL absent (8) lateral gular fold and gular pouch present, well developed; (9) transverse gular fold absent; (10) nuchal crest scales large, crest height/HL 10.48%–14.04%; (11) MD 35–41; (12) T4S 28–30; (13) ventral scales heterogeneous in size with enlarged scales scattered ventrolaterally; (14) ground body coloration camouflaged with yellow-green, clay, and dusky brown coloration in life; (15) dorsolateral stripes present in males, jagged, sometimes discontinuous, posterolaterally away from the dorsal midline; (16) gular spot present, distinct in males, somewhat faded in females, dark spectrum yellow in both sexes; and (17) oral cavity and tongue dark spectrum yellow in life. (Wang et al. 2017)
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| References |
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- Bourret,R. 1937. Notes herpétologiques sur l’indochine française. XV. Lézards et serpents reçu au laboratoire des Sciences Naturelles de l’Université au cours de l’année 1937. Descriptions de deux espèces et de deux variétés nouvelles. Bulletin Générale de l’Instruction Publique 5. Gouvernement Généneral de l’Indochine, pp. 57-82
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- Ota,H. 1989. A new species of Japalura (Agamidae: Lacertilia:Reptilia) from Taiwan. Copeia 1989 (3): 569-576 - get paper here
- Poyarkov, Nikolay A.; Tan Van Nguyen, Evgeniy S. Popov,Peter Geissler, Parinya Pawangkhanant, Thy Neang, Chatmongkon Suwannapoom, Natalia B. Ananjeva, and Nikolai L. Orlov 2023. RECENT PROGRESS IN TAXONOMIC STUDIES, BIOGEOGRAPHIC ANALYSIS, AND REVISED CHECKLIST OF REPTILES IN INDOCHINA. Russian Journal of Herpetology 30 (5): 255-576 (also as vol 28 (3A): 1 – 110 [2021]) - get paper here
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