Since you asked here it is.
Thats not a record of modern apes. The fossil record of them is almost non existent. Here’s are some excerpts from a scientific paper on the subject.
Apes and Tricksters: The Evolution and
Diversification of Humans’
Closest Relatives
Kieran P. McNulty.
“On the other hand, the Miocene record of fossil apes provides an important source for generating hypotheses about the ancestral human condition; this is particularly true given the dearth of fossils representing our closest living relatives: chimpanzees and gorillas.”
“Ancestral African Apes
With the exception of the human lineage, there are almost no fossils that can be linked to modern African apes.”
I disagree with the fact that we are descended from apes, just saying that there is little to no fossil record of modern apes.
Nessie is a different story. I have no personal experience with that subject and probably never will.