【序号】：1
【作者】：Brett, C. E.
【题名】：Paleoecology and Evolution of Marine Hard Substrate Communities: An Overview
【刊名】：Palaios
【年、卷、期、起止页码】：1988,3,4,374-378
【全文链接】http://www.jstor.org/discover/10.2307/3514783?uid=3737800&uid=2&uid=4&sid=21102676235453

【序号】：2
【作者】：James Sprinkle and Thomas E. Guensburg
【题名】：Origin of Echinoderms in the Paleozoic Evolutionary Fauna: The Role of Substrates
【刊名】：Palaios
【年、卷、期、起止页码】：1995,10,5,437-453
【全文链接】http://www.jstor.org/discover/10.2307/3515046?uid=3737800&uid=2&uid=4&sid=21102676235453