This yellow crust is a sponge, in thephylum Porifera.
这片黄色的外皮是海绵，属于海绵动物门。
On the basis of current information, the Devonian porifera bioherm is the first discovery, it not only richens the type of bioherm in Guangxi, but also …
据目前资料，泥盆纪海绵生物礁属首次发现，它不仅丰富了广西生物礁类型，而且对研究泥盆纪沉积地质学具有实际意义。
On the basis of current information, the Devonian porifera bioherm is the first discovery, it not only richens the type of bioherm in Guangxi, but also …
据目前资料，泥盆纪海绵生物礁属首次发现，它不仅丰富了广西生物礁类型，而且对研究泥盆纪沉积地质学具有实际意义。
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