@cpdinosaurs.bsky.social in the book The Art and Science of Crystal Palace Dinosaurs, why are the teleosaurs part of oolite instead of lias?

Is the cliff of cotswold limestone in @cpdinosaurs.bsky.social supposed to represent inferior oolite group and the portland blocks behind the Megalosaurus supposed to represent the great oolite group? (I just saw the list of strata present in the book The Art and Science of CP Dinosaurs)