Did humans and dinosaurs ever coexist?

[Minimalist]

I don't know what a "proto-primate" is?

Proto-primates is just fancy-talk for 'the first primate-like mammals'.
My article that I showed earlier (linked above) stated something to this effect, though it generalized that the earliest primates were estimated to come in around 53~58 million years ago.

Still, these darn 'transitional' fossils make it difficult to say when one 'type' of species really 'began' when technically we've never stopped being the kind of creatures described above.
Evolution is always in motion and every 'species' is always in transition into another.

Creationists hate it when that happens. They prefer nice clear lines of demarcation. Fuzziness gives them diarrhea.

"I do agree with you points although you might want to consider that some species have remained almost unchanged for millions of years: sharks, alligators, crocodiles, sea turtles, marine iguanas, tortoises, some birds, and a few others. "

Unlike us they were suitably adapted for life and have not had an evolutionary need for change. Poor god...looks like his first human design was terribly flawed. What a fuck up he is!