Mesozoic FossilsDinosaurs werent the only players on the earth during the Triassic and Jurassic geologic periods, a fact quickly proven with 415 impressive color photos of fossilized plant, animal, and avian life from that distant past! Presented along with dinosaur fossils large and small, are collectible ammonites, belemnites, crustaceans, and insects, also an impressive representation of Triassic and Jurassic fossil plants, including Araucarian conifers, cycads,