Like, lycophytes were huge three hundred million years ago — literally.

比如，3 亿年前，石松植物是巨大的。

But it did just fine feeding on the seed ferns and lycophytes that were common during the Triassic, no teeth required.

但它以三叠纪时期常见的种子蕨类植物和石松类植物为食， 效果很好，不需要牙齿。