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Arstanishe t1_iy9i0uz wrote

Reply to comment by baumpop in Spiders were probably an absolute nightmare to early mammals. by psychoxxsurfer

Well, that was maybe 250 mln years ago, and mammals only appeared maybe 80-100 mil years ago, when insects were already closer to today in size

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baumpop t1_iy9l5uj wrote

Weren't they micro fauna initially? Like prey to pretty much anything?

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Arstanishe t1_iy9lwgt wrote

Afaik, the first proto-mammals were therapsids, which were not that small. However, most mammals (or all?) I can't remember - came from rodent-like creatures after the cretaceous extinction event 65 mil ago. But that time insects were definitely even smaller...

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