Dataset Information

The Stoor Hobbit of Guangdong: Goniurosaurus gollum sp. nov., a cave-dwelling Leopard Gecko (Squamata, Eublepharidae) from South China.

ABSTRACT: A new species of the genus Goniurosaurus is described based on three specimens collected from a limestone cave in Huaiji County, Guangdong Province, China. Based on molecular phylogenetic analyses, the new species is nested within the Goniurosaurus yingdeensis species group. However, morphological analyses cannot ascribe it to any known species of that group. It is distinguished from the other three species in the group by a combination of the following characters: scales around midbody 121-128; dorsal tubercle rows at midbody 16-17; presence of 10-11 precloacal pores in males, and absent in females; nuchal loop and body bands immaculate, without black spots; iris orange, gradually darker on both sides. The discovery of yet another limestone-adapted species of Goniurosaurus in Guangdong Province underscores a growing body of evidence for the high biodiversity of limestone habitats and brings into sharp focus the urgent need for their conservation.

SUBMITTER: Qi S

PROVIDER: S-EPMC7674404 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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The Stoor Hobbit of Guangdong: Goniurosaurus gollum sp. nov., a cave-dwelling Leopard Gecko (Squamata, Eublepharidae) from South China.

Qi Shuo S Wang Jian J Grismer L Lee LL Chen Hong-Hui HH Lyu Zhi-Tong ZT Wang Ying-Yong YY

ZooKeys 20201111

A new species of the genus Goniurosaurus is described based on three specimens collected from a limestone cave in Huaiji County, Guangdong Province, China. Based on molecular phylogenetic analyses, the new species is nested within the Goniurosaurus yingdeensis species group. However, morphological analyses cannot ascribe it to any known species of that group. It is distinguished from the other three species in the group by a combination of the following characters: scales around mi ...[more]

PMID: 33223904

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Project description:The rock-dwelling gecko genus Cnemaspis is one of the most species-diverse genera of gekkonid in Thailand. Earlier studies relied on morphological data to identify species, but cryptic morphology often obscured species diversity in Cnemaspis. In this study, an integrative taxonomic approach based on morphological characters and sequences of the mitochondrial NADH dehydrogenase subunit 2 (ND2) gene were used to clarify current taxonomy of the Cnemaspis siamensis complex and delimit a new species from Lan Saka District, Nakhon Si Thammarat Province, southern Thailand. Cnemaspis lineatubercularis sp. nov. is distinguished from other congeneric species by the combination of morphological characters: (1) maximum snout-vent length (SVL) of 40.6 mm (mean 38.8 ± SD 1.4, N = 12) in adult males and maximum SVL of 41.8 mm (mean 39.5 ± SD 1.9, N = 7) in adult females; (2) 8-9 supralabial and infralabial scales; (3) gular, pectoral, abdominal, and subcaudal scales keeled; (4) rostral, interorbitals, supercilium, palmar scales, and ventral scales of brachia smooth; (5) 5-6 small, subconical spine-like tubercles present on flanks; (6) 19-21 paravertebral tubercles linearly arranged; (7) 27-29 subdigital lamellae under the fourth toe; (8) 4-7 pore-bearing precloacal scales, pores rounded arranged in chevron shape and separated only in males; (9) one postcloacal tubercles each side in males; (10) ventrolateral caudal tubercles present anteriorly; (11) caudal tubercles restricted to a single paravertebral row on each side; (12) single median row of subcaudal scales keeled and lacking enlarged median row; and (13) gular region, abdomen, limbs and subcaudal region yellowish only in males. Genetically, the uncorrected pairwise divergences between the new species and their congeners in the C. siamensis group were between 15.53-28.09%. The new species is currently known only from granitic rocky streams at Wang Mai Pak Waterfall in the Nakhon Si Thammarat mountain range. Its discovery suggests that additional unrecognized species of Cnemaspis may still occur in unexplored areas of southern Thailand.

Dataset Information

The Stoor Hobbit of Guangdong: Goniurosaurus gollum sp. nov., a cave-dwelling Leopard Gecko (Squamata, Eublepharidae) from South China.

Publications

The Stoor Hobbit of Guangdong: <i>Goniurosaurus gollum</i> sp. nov., a cave-dwelling Leopard Gecko (Squamata, Eublepharidae) from South China.

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