laramidia 100 million years ago.
(wikimedia)
plesiosauria
the book of the great sea-dragons (1840) by geologist thomas hawkins (wikimedia)
see memoirs of ichthyosauri and plesiosauri (1834) and the book of the great sea-dragons (1840) by thomas hawkins.
quetzalcoatl
quetzalcoatl. codex telleriano-remensis (16th century). (wikimedia).
quetzalcoatlus
the largest flying animal known (wikimedia)