brachiolaria

例句：

1. 1. The fossils found in the cave are of great interest to paleontologists.
   洞穴中发现的化石对古生物学家来说非常有趣。
2. 2. The dinosaurs had a unique brachiopod shell.
   恐龙有独特的腕足类壳。
3. 3. The discovery of these ancient brachiopods has shed new light on the history of lifeon Earth.
   这些古代腕足类的发现为地球上生命的历史提供了新的见解。