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Re: Raptor Red and Heyday Of The Giants

To quote from the piece: "Curiously out of place are the unnamed diplodocid
(at least Bakker now
recognizes that they did make it into the Cretaceous),"

Another quote:
"Bakker is apparently unaware (or chooses to ignore) the abundant evidence that ammonoids did not have muscular tentacles nor a biting mouth, but instead a fringe of small tentacles and an aptychus for filtration and protection"

I have no idea about the tentacles. But ammonoids did have upper jaws. The paleontologist-in-chief of the museum here is one of the people who have found some, starting a few years ago.