宽吻低额溞一新亚种  

A New Subspecies of Simocephalus latirostris

作　　者：许友勤[1] 陈寅山[1] 林岗[1] 饶小珍[1] 

机构地区：[1]福建师范大学生物工程学院,福建福州350007

出　　处：《福建师范大学学报（自然科学版）》2002年第3期66-68,共3页Journal of Fujian Normal University：Natural Science Edition

摘　　要：记述了福建淡水枝角类 ,氵蚤科 ,低额氵蚤属一新亚种 :福建低额氵蚤 Simocephaluslatirostrisfujianensisssp. nov..新亚种与黑龙江低额氵蚤 S. heilongjiangensisshietshi1 994的区别在于 :前者的复眼离额顶较远 ,壳纹网状 ,不甚清晰 ;与宽吻低额氵蚤 S. latirostrisstimgelin 1 90 6的区别在于 :后者第一触角的长度等于或短于吻 ,壳瓣背缘后部不外突 ,其上亦无小棘 .This paper records Simocephalus latirostris fujianensis ssp. nov., a new subspecies of Simocephalus ,Daphniidae,Cladocera of Fujian, China. This new subspecies differs from Simocephalus heilongjiangensis Shi et Shi 1994 in that the former's eye is not close to its headtop and its valves have a reticulated form,which are not quite clear.The new subspecies differs from Simocephalus latirostris Stingelin 1906 in that the length of the latter's antennule is equal to or shorter than its rostrum and the posterior mangin of its back is not protruding and there are no spines on it.

关 键 词：宽吻低额Sao 双甲目 Sao科 低额Sao属 新亚种 福建 形态结构 地理分布 

分 类 号：Q959.223.11[生物学—动物学]