The chiefest (largest) of God's creations.. moves it's tail like a cedar log. There are no animals today that have a tail which could be described as log like. Job was told to behold this animal.. tells me Job had to be familiar with it
Absolutely and Noah was tasked with providing a place for 2 of every "kind" of land animal and they were provided to him. This leads me to believe that all kinds of dinosaurs were provided to him not just the long neck variety.