{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T19:32:45Z","timestamp":1787859165003,"version":"build-2784847793"},"reference-count":39,"publisher":"Pensoft Publishers","license":[{"start":{"date-parts":[[2020,5,15]],"date-time":"2020-05-15T00:00:00Z","timestamp":1589500800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BDJ"],"abstract":"<jats:p>In Thailand, five species of<jats:italic>Acanthosaura<\/jats:italic>have been recorded so far, including<jats:italic>Acanthosaura armata<\/jats:italic>from the southern region,<jats:italic>A. cardamomensis<\/jats:italic>from the eastern region,<jats:italic>A. crucigera<\/jats:italic>from the western region,<jats:italic>A. lepidogaster<\/jats:italic>from the northern region and<jats:italic>A. phuketensis<\/jats:italic>from the Phuket Island and south-western region. However, comprehensive studies of diversity patterns and distribution of<jats:italic>Acanthosaura<\/jats:italic>are still lacking in some areas and need further information for designating areas of special conservation importance and nature protection planning in Thailand.<\/jats:p><jats:p><jats:italic>Acanthosaura aurantiacrista<\/jats:italic>is a new species of long-horned lizard of the genus<jats:italic>Acanthosaura<\/jats:italic>from northern Thailand. It is distinguished from all other species of<jats:italic>Acanthosaura<\/jats:italic>by a dagger-like nuchal spine with yellowish-orange colouration in females, bright yellow colouration in males and a combination of other morphological characters: a greater tail length to snout-vent length ratio; a larger postorbital spine, nuchal spine, dorsal spine and occipital spine compared to its head length; a smaller diastema to snout-vent length ratio; a greater number of subdigital lamellae on the fourth finger and fourth toe; and a larger gular pouch than other<jats:italic>Acanthosaura<\/jats:italic>species. Analysis of mitochondrial ND2 gene sequences revealed a sister clade between the<jats:italic>A. aurantiacrista<\/jats:italic>lineage and the<jats:italic>A. crucigera<\/jats:italic>lineage with a 100% probability of divergence, according to Bayesian analysis and strong support value for Maximum Likelihood analysis. The pairwise distance ranged from 13.8-15.0% between<jats:italic>A. aurantiacrista<\/jats:italic>and<jats:italic>A. cardamomensis<\/jats:italic>, 10.9-14.5% between<jats:italic>A. aurantiacrista<\/jats:italic>and<jats:italic>A. crucigera<\/jats:italic>and 0-1.2% amongst<jats:italic>A. aurantiacrista<\/jats:italic>populations. The discovery of this lizard increases the known endemic herpetological diversity and underscores the importance of conservation in the mountain rainforest region of northern Thailand.<\/jats:p>","DOI":"10.3897\/bdj.8.e48587","type":"journal-article","created":{"date-parts":[[2020,5,15]],"date-time":"2020-05-15T08:00:11Z","timestamp":1589529611000},"source":"Crossref","is-referenced-by-count":5,"title":["Acanthosaura aurantiacrista (Squamata: Agamidae), a new long horn lizard from northern Thailand"],"prefix":"10.3897","volume":"8","author":[{"given":"Poramad","family":"Trivalairat","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirati","family":"Kunya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lawan","family":"Chanhome","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Montri","family":"Sumontha","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taksa","family":"Vasaruchapong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nirut","family":"Chomngam","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krittiya","family":"Chiangkul","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2258","published-online":{"date-parts":[[2020,5,15]]},"reference":[{"key":"48587_B5440807","doi-asserted-by":"publisher","DOI":"10.1134\/s106235900802012x"},{"issue":"3","key":"48587_B5440817","first-page":"195","article-title":"A new species of Acanthosaura (Agamidae, Sauria) from northwest Vietnam","volume":"18","author":"Ananjeva","year":"2011","journal-title":"Russian Journal of Herpetology"},{"key":"48587_B5440856","author":"Boulenger","year":"1885","journal-title":"Catalogue of the lizards in the British Museum (Natural History). 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