Mesozoic Corals and Sponges from Gê’gyai and Rutog, Tibet
详细信息
- 责任者：Deng Zhanqiu (Nanjing Institute of Geology and Palaeontology ; Chinese Academy of Sciences ; Nanjing 210008 ; China) ; Wang Guangxu
- 刊名：Acta Palaeontologica Sinica
- 出版年：2013
- 卷期：52(2)
- 关键词：珊瑚纲 ; Anthozoa ; 多孔动物门 ; Porifera ; 西藏 ; Tibet
- 页码：p.202-212
- 图表：illus., 35 refs.
- 分类号：1102
- issnNo：ISSN0001-6616
- isbnNo：CN32-1188/Q
摘要
Three new genera and four new species are described in this paper based on materials from Mesozoic rocks in northwestern Xizang,including coral Paralveolites gê’gyaiensis gen.et sp.nov.,sponge Homochaetetes shuanghuensis gen.et sp.nov.,H.rutogensis gen.et sp.nov.and Eupseudomillestroma gêrzêensis gen.et sp.nov..The new coral genus Paralveolites is erected based on the possession of crescentical corallite form and a longer septal plate in each corallite with a forklike axial end extending to the axial region.The new sponge genus Homochaetetes is characte-rized by a longer septum extending to the axial region of tubes.Eupseudomillestroma(gen.nov.) proposed here possesses both the cylindrical and the prismatic tubes with their walls and diaphragms filled up with meshes.