3 ms·

Nor did any mammals exist then.

• CGMthrowaway 1y ago
  There were big proto reptiles like Edaphosaurus that could have shaken their fist at a bug infestation though
  • antonvs 1y ago
    But they didn't have prehensile hands, so no fists for them! It took evolution another 230-280 million years to develop fists to shake at bug infestations.