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A phylogenetic and taxonomic assessment of the Cnemaspis alwisi group (Reptilia: Gekkonidae) in Sri Lanka with a description of two new species from isolated misty-mountainsстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 26 июня 2024 г.
- Авторы: Karunarathna S., Ukuwela K.D.B, De Silva A., Bauer A.M., Madawala M., Poyarkov N.A., Botejue M., Gabadage D., Grismer L.L., Gorin V.A.
- Журнал: Vertebrate zoology
- Том: 73
- Год издания: 2023
- Издательство: Museum of Zoology Dresden
- Местоположение издательства: Dresden, Germany
- Первая страница: 205
- Последняя страница: 236
- DOI: 10.3897/vz.73.e90979
- Аннотация: Sri Lanka is a local hotspot for Cnemaspis day geckos with 40 currently known species with 100% endemism. In this paper, we evaluate the phylogenetic relationships of Cnemaspis species belonging to the alwisi group of the podihuna clade and describe two additional new species of Cnemaspis from Sri Lanka; one from Galgiriya mountain, Kurunegala District, and another from Ethagala mountain, Ampara District. These new species were recorded from granite caves within forested areas in isolated mountains in the dry bioclimatic zone (point-endemics). Both new species are microhabitat specialists with narrow niches limited to humid, cool, canopy-shaded granite caves and old buildings associated with granite caves, where they are camouflaged by their cryptic morphology and body colouration. Furthermore, both species prefer narrow (~ 6–12 mm), long (~ 120–450 mm) and deep (~ 80–260 mm) crevices as refugia. The regions in which these habitats are located receive relatively low annual rainfall (1,000–1,500 mm). These new species are medium in size (28.5–36.8 mm SVL) and can be differentiated from all other Sri Lankan Cnemaspis by the presence of clearly enlarged, subhexagonal subcaudal scales and the absence of precloacal pores in males. Both species described here are categorised herein as Critically Endangered (CR) under the IUCN Red List criteria. The major threats for these new species are habitat loss due to expansion of commercial-scale agriculture, illicit forest encroachments, and forest fires. Therefore, we recommend that relevant authorities take immediate conservation action to ensure the protection of these forest areas with their buffer zones in the near future.
- Добавил в систему: Поярков Николай Андреевич
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