兽类学报2026，Vol.46Issue(4)：544-554,11.DOI:10.16829/j.slxb.151089
小臭鼩分类地位的探讨及西藏自治区兽类一新纪录属
Taxonomic status of Suncus etruscus in China and the first record of the genus Suncus from the Xizang Autonomous Region
摘要
Abstract
Suncus etruscus(Savi 1822)is among the smallest known mammals.In October 2024,a specimen of the ge-nus Suncus was collected from Delgong Village(29°08′32″N,95°15′29″E)in Motuo County,Nyingchi City,Xizang Au-tonomous Region.This represents the first record of the genus Suncus in Xizang.The external morphology of the speci-men is generally consistent with previous descriptions of S.etruscus.However,phylogenetic analysis based on mito-chondrial Cyt b gene showed that this specimen clusters with the clade formed by S.malayanus and S.fellowesgordoni,with average genetic distances of 8.5％and 8.9％,respectively.The genetic distance between this specimen and the near-type-locality sample of S.etruscus from Italy was 10.3％,indicating a significant genetic divergence.This finding suggests that the S.etruscus distributed in China has certain differentiation from those in other regions.Given the rarity of specimens,the taxonomic status of the species in China needs to be further studied.Additionally,in 2022,we re-ceived a S.etruscus specimen from Jammu and Kashmir.Phylogenetic analysis based on the mitochondrial Cyt b gene revealed that it forms a monophyletic clade with the Madagascan subspecies of the Etruscan shrew(S.e.madagas-cariensis),with an average genetic distance of 1.6％.We confirm that the specimen from Pakistan is S.e.madagas-cariensis.关键词
臭鼩属/新纪录/系统发育/墨脱Key words
Suncus/New record/Phylogeny/Motuo分类
生物科学引用本文复制引用
刘庆,陈顺德,彭步青,邓榆,刘霜,王晶,郭克疾,郭祥龙,Abu ul Hassan Faiz,刘少英..小臭鼩分类地位的探讨及西藏自治区兽类一新纪录属[J].兽类学报,2026,46(4):544-554,11.基金项目
国家自然科学基金(32070424,32370496,32001223) （32070424,32370496,32001223）
四川省自然科学基金(2025ZNSFSC0277) （2025ZNSFSC0277）
西藏重点区域野生动植物资源调查(ZL202203601) （ZL202203601）
西藏雅鲁藏布大峡谷国家级自然保护区小型兽类多样性监测 本研究得到了北京中金公益基金会、中国绿色碳汇基金会"墨脱生物多样性监测和社区保护示范项目"的支持. （）
