【摘要】 <正> 本文描述新疆精河县南基夫克村南基夫克河上游晚石炭世早期东图津河群所产的四射珊瑚8属11种,其中包括2新属8新种。该区晚石炭世早期的四射珊瑚至今没有系统研究发表过。兹将产化石的具体层位列述如下: 11.灰绿色、灰褐色中厚层中粒砂岩夹含砾粗砂岩(未见顶)。30m更多还原

【Abstract】 The rugose corals described in this paper were collected from the Dongtujinhe group of early Late Carboniferous in Jinghe County, Xinjiang. This rugose coral fauna has not been reported before. According to the result of research undertaken by the authors, these corals might belong to one roguse coral assemblage, the Rotiphyllum exilis-Acrocyathus xinjiangensis Assemblage, which contains such species as Rotiphyllum monophylloides (Fomitchev), R. monophylloides major subsp. nov., R. exilis Groot, Meniscophyllum jinghecnse sp. nov., Lytvolasma bradyphylloid.es sp. nov., Eoamplexocarinia typica gen. et sp. nov., E. crassoseptata gen. et sp. nov., Parasychnoelasma typicum gen. et sp. nov., Pseudozaphrentoides verticillatus (Barbour), Timania jingheensis sp. nov., and Acrocyathus xinjiangensis sp. nov..Description of new genera Eoamplexocarinia gen. nov.Type species: Eoamplexocarinia typica gen. et sp. nov.Diagnosis: Corallum simple; epitheca parti cularly thick; major septa thin and short; cardinal septum a little short; minor septa and dissepiments absent. Tabulae complete, horizontal in the central part and downturned in lateral part; un dertabulae with no joinder, not forming aulos.Remarks: This new genus is similar to Amplexocarinia Sochkina, but in the latter, the epitheca is thin, the septa are thickened, distinct and of two orders, with aulos observable. It also shows a close similarity to Amplexus Sowerby, but in the latter, the epitheca is thin, the tabulae are few, scattered and horizontal, and the septa are short.Distribution: Early Late Carboniferous; Xinjiang, China.Parasychnoelasma gen. nov.Type species: Parasychnoelasma typicum gen. et sp. nov.Diagnosis: Corallum simiple; epitheca thin; major septa short; minor septa irregular; cardinal septum slightly short. Tabulae complete, concave in shape;dissepiments absent.Remarks: This new genus closely resembles Sychnoelasma Lang, Smith et Thomas, but the latter has wide marginal stereozone, long septa, narrow and long cardinal fossula. In character of the transverse section, this new genus closely resembles Amplexus Sowerby, but the latter has horizontal tabulae, and shorter septa.Distribution: Early Late Carboniferous; Xinjiang, China.更多还原