(5) Fish would be found in higher strata since they can swim up close to the surface.
How do they get buried if they can swim?
(6) Amphibians and reptiles would be buried higher than the fish, but as a rule, below the land animals.
Why would they be buried higher? Why below land animals? What about reptiles that are land animals? What about the reptiles that could fly?
(8) The first land plants would be found where the amphibians were found.
What do you mean by
first land plants?