高校地质学报2016，Vol.22Issue(3)：494-501,8.DOI:10.16108/j.issn1006-7493.2015244
湘西北寒武纪黔东世乔氏节头虫Arthricocephalus chauveaui Bergeron 1899的再研究
Restudy on The Arthricocephalus chauveaui Bergeron 1899 from the Cambrian Qiandongian in Northwestern Hunan
摘要
Abstract
Recently, the concept and synonyms of the genus Arthricocephalus have been redefined, most species of the traditional“Arthricocephalus”should be assigned into Oryctocarella, and the Arthricocephalites is the junior synonym of Arthricocephalus. Based on several specimens of different ontogenetic development stages collected from Zila Village, Huayuan County of northwestern Hunan, this study shows that the different thoracic segments may be accounted for different development stages, but not the interspecific variations. Furthermore, several species have been reassigned into Arthricocephalus chauveaui Bergeron 1899, and the intraspecific vitiations within the genus have been discussed. The morphology and stratigraphical information of Arthricocephalus with other oryctocephlid trilobties have been compared and their evolutionary relationships have also been discussed in the current study.关键词
节头虫Arthricocephalus/种内差异/个体发育/杷榔组/寒武纪/湘西北Key words
Arthricocephalus/intraspecific variation/ontogeny/Balang Formation/Cambrian/northwestern Hunan分类
生物科学引用本文复制引用
雷倩萍..湘西北寒武纪黔东世乔氏节头虫Arthricocephalus chauveaui Bergeron 1899的再研究[J].高校地质学报,2016,22(3):494-501,8.基金项目
国家科技部973项目（2013CB837100）；国家自然科学基金（41221001；41290260；41330101）联合资助 （）
