Sponges, Rather than Trilobites, Might Have Reigned Over Middle Ordovician Seas  

作　　者：SONG Jianlan 

出　　处：《Bulletin of the Chinese Academy of Sciences》2013年第1期19-23,共5页中国科学院院刊（英文版）

摘　　要：Obscure King of Ordovician： On the front center of the view of modern seabed is an individual of an extant sponge, a spherical soft-bodied creature with thin, delicate skeletons. It might be hard to imagine that an early sponge, in similar shape and structure like this, could have dominated the Ordovician sea, but this could have been true, according to Drs. Botting and Muir at the Nanjing Institute of Geology and Paleontology, CAS. （Photo： By ZHANG Fan）The real ruler of the Ordovician sea might have been an early sponge as thin and delicate as this spheriral creature, rather than trilobites, according to Drs Botting and Muir at the Nanjing Institute of Geology and Paleontology, CAS.

关 键 词：南京地质古生物研究所 海绵 三叶虫 奥陶纪 海洋 中东 奥陶系 中科院 

分 类 号：Q915[天文地球—古生物学与地层学]