Rhabdophis shuichengensis XU, XIONG, ZHANG, XIANG, CHEN & ZHANG, 2025
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Rhabdophis shuichengensis
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| Higher Taxa | Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Shuicheng groove-necked Snake Chinese: 水城颈槽蛇” (shuǐ chéng jǐng cáo shé) |
| Synonym | Rhabdophis shuichengensis XU, XIONG, ZHANG, XIANG, CHEN & ZHANG 2025: 307 |
| Distribution | China (Guizhou) Type locality: Minghu Lake National Wetland Park, Guizhou Province |
| Reproduction | |
| Types | Holotype LPSSY 2022071701 (Figure 2), a male specimen, collected by Shihang XU and Hong CHEN. The holotype is currently deposited in the Specimen Museum of the Biological Science and Technology, Liupanshui Normal University. 3.2.3. Paratype Four specimens (one subadult, one adult female, and two adult males) were collected by Shihang XU and Hong CHEN from the two locations: Minghu Wetland Park and Yushe National Forest Park, Zhongshan District, Liupanshui City, Guizhou Province. |
| Diagnosis | Diagnosis and identification The new species is classified under the genus Rhabdophis, and this assignment is supported by the following morphological characteristics: two enlarged maxillary teeth located at the posterior end of the maxilla (without a preceding diastema); a head that is clearly distinguishable from the neck; laterally oriented nostrils; the genus-specific pattern of nine dorsal cephalic scales; internasal scales with a truncated anterior margin; a relatively large eye equipped with a rounded pupil; and a divided anal scale. Rhabdophis shuichengensis sp. nov. differs from its congeners by a unique combination of the following characters: (1) medium-sized body (SVL of adult males: 579–643 mm and adult females: 530 mm); (2) uniformly grayish brown above, black line below eye and between last two labials absent; (3) dorsal scale rows of 15-15-15; (4) ventral scales of 154–158; (5) subcaudal scales of 43–56; (6) SL scales of 6; (7) infralabials scales of 8; (8) preoculars scales of 1, postoculars scales of 3, and supraocular scales of 1; (9) temporal scales of 1 + 2; (10) dorsal scales are keeled, with uppermost 5 rows feebly keeled; (11) enlarged posterior two maxillary teeth, not preceded by a diastema and maxillary tooth count 20–22 (18–20 + 2). (Xu et al. 2025) Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 6184 characters) are available for collaborators and contributors. Please contact us for details. |
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