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A New Distribution Record of Little Horned Toad(Boulenophrys wushanensis)in Northern Qinling Mountains
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A New Distribution Record of Little Horned Toad(Boulenophrys wushanensis)in Northern Qinling Mountains
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Journal Article
A New Distribution Record of Little Horned Toad(Boulenophrys wushanensis)in Northern Qinling Mountains
2022
Overview
巫山布氏角蟾(Boulenophrys wushanensis)为我国特有物种,主要分布于陕西、甘肃、四川、重庆和湖北等地。2016年6月,在对陕西省楼观台实验林场进行动物资源调查时,采集到1号蟾类标本(34°N,108°22’E; 海拔1 010 m),经鉴定为角蟾科(Megophryidae)布氏角蟾属(Boulenophrys)巫山布氏角蟾,经查阅相关文献[1-5],确定为陕西省内秦岭以北首次发现。该标本为雌性,肛部上方呈弧状凸出,第一、二指无婚刺,趾部无蹼。体长37.9 mm,据记载雌蟾成体长38 mm左右[6],该蟾发育为成体阶段。头长11.8 mm,头宽12.0 mm,头部长宽几乎相等。吻部显著突出于下唇,鼓膜2.1 mm,大而圆。背部较为光滑,有成排的痣粒,体侧有小疣粒,腹面光滑,腋腺位于胸侧且小,股后腺明显。前臂及掌长14.4 mm,不到体长一半。指、趾端圆,趾间有蹼迹。体背面浅褐色,两眼间有深褐色
Publisher
Editorial Department of Chinese Journal of Wildlife
Subject
