新疆北部石炭纪单体珊瑚新资料

NEW INFORMATION ON CARBONIFEROUS SIMPLE CORALS FROM NORTHERN XINJIANG

文中描述的10属10个新种单体珊瑚,全部是小型角锥状、弯锥状,具中轴者居多.系发育边缘厚结带,鳞板不发育的类型.其中Rylstonia,Fasciculiamplexus,Homalophy-llites.and Tetralasma等在新疆属首次发现,不仅丰富了本区石炭纪珊瑚的属种,而且为相关地区石炭纪地层的对比提供了新的依据.同时也证明当时的北极海与我国的北方海槽及华南海是相互沟通的.

The simple corals dealt with in this paper were collected in 1979 to 1980 from northern Xinjiang. Described here are 10 genera and 10 new species with 2 undetermined species, i.e. Lophophyllidium ovatum (sp.nov.), L.bakterion (sp.nov.) ,Lophocarinophyllum qitaiense (sp.nov.),Rotiphullum kelamailiensis (sp.nov.), Rylstonia xinjiangensis (sp.nov. ), Homalophyllites xinjiangensis (sp.nov.), Fasciculiamplexus sinjiangensis (sp.nov.), Cyathocarinia qitaiensis (sp.nov.), Zaphrentites kelamailiensis (Sp.nov.) , Tetralasma xinjiangensis (sp.nov.). and Pentaphyllum sp. A, P. sp. B etc., among which Rylstonia, Homalophyllites, Fasciculiamplexus and Tertralasma are reported for the first time-in Xinjiang. The discovery of these simple corals provide the basis for strati-graphic division and correlation of Carboniferous System in Xinjiang.