[P.O.E.]

This caught my eye towards the end:

Or, and here we take the Hoyle et al. suggestion, the bodies impacting in the Pacific region, including the northern China and Mongolian region, may have brought a fresh resupply of bacterial material, possibly characterized by mutations.

Is that saying that the extraterretrial bodies carried bacteria from outer space?

[SunkenCiv]

"Is that saying that the extraterretrial bodies carried bacteria from outer space?"

That's one of the contentions of Hoyle (I think he died this past year or not long before), who is/was one of the best known advocates of "panspermia".