For example, rhynchosaurs were abundant, but they were also … short.

例如，鼻龙很丰富，但 它们也… … 很短。

And the dicynodonts, the rhynchosaurs and many of the early crurotarsans soon went extinct.

而二 齿兽类、鼻龙类和许多早期的克鲁龙类很快就灭绝了。