云南石林二叠系茅口组叶状藻化石一新属  

A NEW GENUS OF PHYLLOID ALGAE FROM THE MAOKOU FORMATION (PERMIAN) IN SHILIN AREA, YUNNAN PROVINCE

作　　者：董宝清[1] 刘家润[1] 施贵军[1] 王超[1] 

机构地区：[1]南京大学地球科学系,南京210093

出　　处：《古生物学报》2005年第4期584-590,共7页Acta Palaeontologica Sinica

基　　金：云南石林旅游风景名胜管理局及国家自然科学基金(No.40472021)资助课题。

摘　　要：叶状藻类是广泛分布于石炭-二叠系的钙质藻类,相关研究主要集中在美国。根据产自云南石林地区茅口组的标本,建立并描记了藻体巨大、表面具有独特纹饰、内部可能具有生殖构造的一新属Archaeoudotea和新种Archaeoudotea shilinensis;其系统归属虽然有待于进一步研究证实,但新属可能属于红藻的珊瑚藻类,营底栖固着生活于水能量较弱的碳酸盐台地。“Phylloid algae” is an artificial morphologic group of calcareous algae with similar leaf-like shapes and size, and widely distributed in the Late Paleozoic. The fossil algae distributing in China were not described before. In this paper, Archaeoudotea, a new taxon from Southwest China differs from the known genera Eugonophyllum , Ivanovia , Calci f olium and Archaeolithophyllum in the phylloid algae group. The new genus and its type species are described as follows.

关 键 词：叶状藻 茅口组 二叠纪 云南石林 石炭-二叠系 珊瑚藻类 新属 化石 碳酸盐台地 石林地区 

分 类 号：Q914[天文地球—古生物学与地层学]