石浦海域齿鲸类一新纪录种记述

Description of a new record species of whales from chinese coastal waters

首次记述了2002年9月9日在浙江省象山县石浦镇海滩上搁浅死亡的1头朗氏中喙鲸Me-soplodon pacificus Longman 1926,并对其外形和骨骼进行初步描述。体背部灰蓝色,体侧有白色斑点,腹部白色。下颌前端具1对向前倾的圆锥形牙齿。前颌骨后端显著向上隆起,并包裹在鼻骨的两侧,与额骨一起成为脑颅的最高点。上颌骨中部侧面明显向外隆起。7枚颈椎全部愈合。朗氏中喙鲸在我国大陆沿海属首次被发现。

The appearance and skeleton of a dead whale grounded at the beach of Shipu Town,Xiangshan County,Zhejiang Province China（29.013/N,121.056/E） on September 9,2002 is described.It is a new record species of the genus Mesoplodon pacificus Longman 1926.Its body is elongate in shape with sharp fore head.The upper part of the body is grey-blue in color with white spots on either side of the body and its belly is white.There is a pair of conical teeth at the forefront of the lower jaw.The rear end of the front maxilla bulges upward obviously and covers both the sides of the nose bone,becoming the peak point of the head with the frontal bone.Both sides of the middle part of upper maxilla bulges outwards obviously.All the seven cervical vertebras are fused.This kind of whale is found the first time in China.The specimen are kept in the Zhejiang Museum of Natural History,Hangzhou,China.