而海绵类、珊瑚类和腕足类动物则做不到这一点。
高过百分之九十海绵类、珊瑚类以及腕足类生物在大灭绝中消失了。
More than 90% of Permiangenera of sponges, corals and brachiopods vanished in the extinction.
以往曾依该岩群岩块中的珊瑚、腕足类、腹足类化石等划分为晚奥陶世或古生代。
On the basis of fossils yielded from the exotic blocks, the age of this group-complex was defined to the Late Ordovician or the Paleozoic.
像三叶虫和腕足类一样的贝壳类生物是谁的祖先在岩石中得到一点提示，这些东西到处都是。
Shelly creatures such as trilobites and brachiopods, of whose ancestors there is little sign in the rocks, are suddenly everywhere.
这只恐龙很可能是原始的蜥脚类亚目动物——长颈、四条腿的食草动物，类似于我们较为熟悉的腕足类恐龙。
The animal would have been a primitive sauropod — a long-necked, four-legged grazer similar to the better known brachiosaurs.
该假说将圆环类动物与软体动物和腕足动物归为另一类，冠轮动物。
This hypothesis groups annelids with mollusks and brachiopods in another superphylum, Lophotrochozoa.
该假说将圆环类动物与软体动物和腕足动物归为另一类，冠轮动物。
This hypothesis groups annelids with mollusks and brachiopods in another superphylum, Lophotrochozoa.
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