It's a very ugly, rugose headed dinosaur.

这是一种头的丑陋恐龙。

Plankton diversified, followed by a host of suspension feeders like certain types of brachiopods, rugose corals, and bryozoans.

浮游生样化，随后是一系悬垂摄食者，如某些类型的腕足动、纹珊瑚和苔藓动。

Sea levels were high, and the continents were surrounded by vast, shallow seas, full of exotic creatures like rugose corals, crinoids, and jawless fish.

海平面很高，各大洲周围都是广阔的浅海，里面充满了奇异的生，如纹珊瑚、海百合和无颌鱼。